{"title":"Premium Refractors","description":"Looking for \u003cstrong\u003ePremium Refractor Telescopes\u003c\/strong\u003e? These telescopes are either Double ED or high-quality APO refractors and are perfect for detailed visual observing and astrophotography. \u003ca id=\"toggle\" href=\"#\"\u003eRead More\u003c\/a\u003e\r\n\u003cdiv class=\"read-more\"\u003eChoose from famous names including TEC, BORG, Sky-Watcher Esprit, Tele Vue and more. BINTEL stocks a great range online and ship from Sydney to anywhere in Australia or New Zealand as well as assisting you with the best mount and camera options to match.\u003c\/div\u003e","products":[{"product_id":"tele-vue-np127is-ota","title":"Tele Vue NP127is APO Refractor Telescope","description":"\u003ch3 style=\"text-align: left;\"\u003e\u003cem\u003eTele Vue NP127is\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003eFor 25 years, Tele Vue has pushed the boundaries of APO refractors, as well as eyepieces, to the recognised pinnacle of performance. The Tele Vue NP127is retains the exemplary wide field and planetary visual capability while adding new features to make imaging easier and more flexible. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003e \u003c\/span\u003e\u003cspan class=\"desc\"\u003eTele Vue was determined to make the NP series optically, mechanically, and functionally as perfect as possible for imaging up to 50mm diagonal chips without penalty to its near-ideal visual operation. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003e \u003c\/span\u003e\u003cspan class=\"desc\"\u003eBy applying the developments created for the TeleVue60is to the new NP127is and then going beyond the results speak for themselves. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003e \u003c\/span\u003e\u003cspan class=\"desc\"\u003eThe NP127is maintains its 127mm f\/5.2 optical specifications yet with a redesigned 4-element optical system. The larger rear lens group absolutely minimises vignetting in formats up to 50mm measured diagonally across the chip. An optional field corrector is available so the corners of the newly brightened edges are virtually as perfect as the centre of the field. To prevent restriction of the larger converging light cone the focuser has a 3\" front aperture and a 2.4\" rear aperture. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003eThe new drawtube has features allowing quick changes from visual to imaging operation. While imaging cameras can be rotated without changing focus (just remember to do new flats!). It also has the capability to correct for any residual focal plane tilt so the imaging chip is square on to the light path. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003eThe imaging insert ring is threaded to accept Tele Vue's new Imaging System accessories including large diameter extension tubes, optical accessories, and camera\/CCD attachments all with mating threads. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTeleVue builds and tests the rack and pinion focuser to hold more than 5kg of weight, yet still permit extremely fine focusing control via a 10:1 dual-speed pinion assembly\u003cspan class=\"desc\"\u003e (measurable with the optional Digital Micrometer Kit). The optional Focusmate driver also permits electric motorised control of the focusing process. The new Focusmaster software interface allows this entire procedure to be completed from a PC or laptop. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003eTele Vue has been known for producing visual instruments \"even better than you imagined\". The new NP127is is evidence that they aim to achieve the same with their imaging equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan class=\"desc\"\u003eTele Vue NP127is Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable width=\"346\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"237\"\u003e \u003ccol width=\"109\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd width=\"237\" class=\"xl65\" height=\"21\"\u003eType\u003c\/td\u003e\n\u003ctd width=\"109\" class=\"xl65\"\u003eAPO (Nagler-Petzval) Refractor (Elements\/Groups: 4\/2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eObjective (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e660\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eFocal Ratio (f\/#)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e5.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eDrawtube\/Focuser\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e2.4-inch, Focusmate dual-speed rack\/pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eLength OTA (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e851\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eLength with diagonal (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e927 (with 2-inch diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eWeight OTA (kg)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eMaximum Visual Field (deg.)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e4.25° (with 2-inch 41mm Panoptic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd class=\"xl65\" height=\"21\"\u003eMaximum Recommended Power (x)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"desc\" id=\"lblExtendedDescription\"\u003e\u003cem\u003eAfter a short wait, the \"re-tweaked\" TV127is is available. Never ones to rest, Tele Vue took the opportunity to to make small but meaningful changes to their flagship model. Both the optical and mechanical designs have been revised to reduce atmospheric defocusing sensitivity. The new lens prescription delivers smaller spot sizes over a broader wavelength range than before, while a new stainless steel front cell helps provide better thermal stability in extreme climates. Advanced multi-coatings are applied to maximize contrast and transmission. Still the fastest in the industry, there is just no competitive comparison considering its f\/5.2 speed and flat-field.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Tele Vue","offers":[{"title":"Default Title","offer_id":42045215113285,"sku":"NPI-5054","price":16280.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Untitleddesign_1_1d6f4d55-b83c-4aa7-8820-3dd9ce9b55cb.jpg?v=1739588668"},{"product_id":"tele-vue-np101is","title":"Tele Vue NP101is APO Refractor Telescope","description":"\u003cdiv id=\"pageSectionTitle\"\u003e\n\u003ch2\u003eTele Vue-NP101is\u003c\/h2\u003e\n\u003cp\u003eWe were determined to make the NP series optically, mechanically, and functionally as perfect as possible for imaging up to 50mm diagonal chips without penalty to its near-ideal visual operation. \u003cspan class=\"panel_link\" id=\"show2\"\u003e(Reviewer Note.)\u003c\/span\u003e How? By applying the developments created for the Tele Vue-60is to the new NP101is and NP127is and then going beyond.\u003c\/p\u003e\n\u003cp\u003eThe NP101 (540mm, f\/5.4, 4\") maintains its optical specifications yet with a redesigned 4-element optical system. Larger rear lens groups absolutely minimize vignetting in formats up to 50mm diagonal. For these large chips, an optional field corrector was developed so the corners of the newly brightened edges would virtually be as perfect as the center of the field.\u003c\/p\u003e\n\u003cp\u003eNext, to take full advantage of the larger lenses, we developed a larger focuser and draw tube having a 3\" front aperture and 2.4\" rear aperture. This eliminates any restriction of the larger diameter converging light cone. We build and test the rack and pinion focuser to hold more than 5kg of weight, yet still permit extremely fine focusing control via a 10:1 dual-speed pinion assembly. This new draw tube also permits quick change from visual to imaging operation and allows full camera rotation without focus change. In addition, it has the capability to correct for any residual focal plane tilt and accepts a \"position stop\" for our digital micrometer to allow repeatable focus measurement to 0.0001\".\u003c\/p\u003e\n\u003cp\u003eTo maintain squareness to the optical axis while changing camera orientation, the drawtube has four lock screws that tighten against a taper on the \"imaging insert\" ring. This insert is threaded to accept Tele Vue's new Imaging System accessories including large diameter extension tubes, optical accessories, and camera and CCD attachments, all with mating threads.\u003c\/p\u003e\n\u003cp\u003eThe Focusmate 10:1 planetary ball type reduction focuser provides extremely sensitive focus adjustment, measurable with the optional Digital Micrometer Kit to better than 1\/10,000\". Also, the optional Focusmate Driver permits electronic motor control of the focusing process. The Focusmate Driver has direction push-buttons and adjustable speed. A tap on the button permits vibration-free focusing in steps as small as approximately 0.0005\". The Focusmate Driver can be remotely computer-controlled with Focusmaster Computer Interface.\u003c\/p\u003e\n\u003cp\u003eTele Vue has been known for producing visual instruments \"even better than you imagined.\" We aim to achieve the same with our imaging equipment. Our dedicated local machinists and in-house staff are as committed as ever to deliver on these quality and performance goals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTele Vue NP101is Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"346\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"237\"\u003e \u003ccol width=\"109\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\" width=\"237\"\u003eType\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"109\"\u003eAPO (Nagler-Petzval) Refractor (Elements\/Groups: 4\/2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eObjective (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e540\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eFocal Ratio (f\/#)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eDrawtube\/Focuser\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e2.4-inch, Focusmate dual-speed rack\/pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eLength OTA (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e648\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eWeight OTA (kg)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e4.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eMaximum Visual Field (deg.)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e5.1 (with 2-inch 41mm Panoptic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eMaximum Recommended Power (x)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Tele Vue","offers":[{"title":"Default Title","offer_id":42045215932485,"sku":"NPI-4057","price":9420.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Untitleddesign_1_f8df5d39-2db2-4fa3-ac14-13369e4524ad.jpg?v=1739588498"},{"product_id":"tele-vue-60-ota","title":"Tele Vue 60 Refractor Telescope OTA","description":"\u003cp\u003e\u003cspan class=\"desc\"\u003eStandard features of Tele Vue 60 OTA include a 2-stage 1.25\" focuser with quick-focus drawtube, plus fine-focus helical, exquisitely machined and anodized all-metal construction, and a sliding captive dew shield. Offering wide field, pristine, color free views throughout a wide range of magnification.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.25\" focuser accept in-line Porro Prism, 45° erectors or 60° and 90° diagonals\u003csmall\u003e \u003c\/small\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaximum True Field: 4.3° (great for terrestrial and astronomical use)\u003c\/li\u003e\n\u003cli\u003eMaximum Power: 180x (with Nagler\u003cspan style=\"font-size: 100%;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003csmall\u003e\u003cspan class=\"desc\"\u003e™\u003c\/span\u003e\u003c\/small\u003e\u003c\/span\u003e\u003c\/span\u003e 2-4mm Zoom - for lunar\/planetary viewing)\u003c\/li\u003e\n\u003cli\u003eAdjustable dovetail balancing bar fits all camera tripods, Tele Vue Mounts and new mounting brackets for SCT's\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"desc\"\u003eIt’s a super-finder, day\/night scope with great telephoto and imaging capability for digital cameras. Optional padded carry bag available. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 id=\"pageSectionTitle\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"346\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"237\"\u003e\n\u003ccol width=\"109\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd rowspan=\"2\" height=\"42\" class=\"xl65\" width=\"237\"\u003eType\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"109\"\u003eAPO (Doublet) Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003e(Elements\/Groups: 2\/1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eObjective (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e360\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eFocal Ratio (f\/#)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eDrawtube\/Focuser\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e1¼-inch, helical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eLength OTA (inch)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eLength with diagonal (inch)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e12 (with 1¼-inch diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eWeight OTA\/Std. Config (lbs)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e3 \/ 3.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eMaximum Visual Field (deg.)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e4.3° (with 1¼-inch 32mm Plössl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eMaximum Recommended Power (x)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"pageSectionTitle\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"pageSectionTitle\"\u003e\u003cimg class=\"wp-image-16411 alignleft\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/TeleVue-5yr-warranty.jpg\" alt=\"Tele Vue 60 OTA\" width=\"158\" height=\"85\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\n\u003cstrong\u003e\u003cimg class=\"wp-image-61068 alignright\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/TVP-1250.jpg\" alt=\"\" width=\"312\" height=\"264\"\u003e\u003c\/strong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTVP-1250 Kit includes\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eQBT-1006 Tele Vue Quik Point Basic\u003c\/p\u003e\n\u003cp\u003eDPC-1250 Tele Vue 1.25\" 90° Everbrite Diagonal\u003c\/p\u003e\n\u003cp\u003eTVB-2403 Tele Vue TV60 Carry Bag\u003c\/p\u003e\n\u003cp\u003eEAD-25.0 Tele Vue 25mm Plossl\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003e\u003cimg class=\"alignright wp-image-61069\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/TVP-6012.jpg\" alt=\"\" width=\"326\" height=\"276\"\u003e\u003c\/strong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eTVP-6012 Kit Includes\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eQBT-1006 Tele Vue Quik Point Basic\u003c\/p\u003e\n\u003cp\u003eDPC-6012 Tele Vue 1.25\" 60° Everbrite Diagonal\u003c\/p\u003e\n\u003cp\u003eTVB-2403 Tele Vue TV60 Carry Bag\u003c\/p\u003e\n\u003cp\u003eEAD-25.0 Tele Vue 25mm Plossl\u003c\/p\u003e\n\u003ch3 class=\"pageSectionTitle\"\u003e\u003cstrong\u003eReviews\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca id=\"200812Lb\" name=\"200812Lb\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcerpt from \u003cem\u003eLiving Bird\u003c\/em\u003e article by Dr. KenRosenberg, director of conservation science at Cornell University's Lab of Ornithology.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTeleVue has introduced a new 60mm scope for birders, which includes the 45-degree prism, and when fitted with the same 8-24mm zoom provides powers from 15-45x. This scope is comparable in size, weight, and image quality to the best Swarovski or Kowa spotting scopes and may cost considerably less, ...\u003c\/p\u003e\n\u003cp\u003e— Dr. Rosenberg, K. \"Scope Quest 2008\". \u003cu\u003eLiving Bird\u003c\/u\u003e (2008 Winter). 46 - 47.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca id=\"200412ST\" name=\"200412ST\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcerpts from Dennis di Cicco review of the TV-60 in \u003cem\u003eSky \u0026amp; Telescope\u003c\/em\u003e, December 2004\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEven at 120x, brilliant Vega, one of the most challenging stars for a refractor to image cleanly, appears as a blue-white Airy disk surrounded by several white diffraction rings and no perceptible color halo.\u003c\/p\u003e\n\u003cp\u003e— di Cicco, D. \"Pint-Size Powerhouse: Tele Vue's TV-60\". \u003cu\u003eSky \u0026amp; Telescope\u003c\/u\u003e (Dec. 2004).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca id=\"200411SMART\" name=\"200411SMART\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eRead what \u003cem\u003eSmartMoney\u003c\/em\u003e has to say about the TV-60\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSmartMoney\u003c\/em\u003e magazine, The Wall Street Journal Magazine of Personal Business, is all about recommending the wisest buys for their readers. The 'Smart Spending' section of the November, 2004, issue features the article \u003ci\u003eStargazing;\u003c\/i\u003e \"Today's telescopes are so high-tech they seek out stars themselves. But we wondered: What would the world's top amateur astronomer think of them?\" In this context, the Tele Vue-60 was chosen the winner by David Levy after checking out four other scopes and the Tele Vue-60.The article concludes: \"Our winner gave us the best view of Jupiter, and without any gizmos. 'This is a sweet instrument,' Levy says.\"\u003c\/p\u003e\n\u003cp\u003e— Light, J. \"Stargazing\". \u003cu\u003eSmart Money\u003c\/u\u003e (Nov. 2004). 133-135.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca id=\"ASTTV60200411\" name=\"ASTTV60200411\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcerpts from Raymond Shubinski's review of the TV-60 in \u003cem\u003eAstronomy\u003c\/em\u003e magazine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA note of caution: You may find yourself spending more time looking through the Tele Vue-60 than through your larger scope.\u003c\/p\u003e\n\u003cp\u003e— Shubinski, R. \"The Tele Vue-60\". \u003cu\u003eAstronomy\u003c\/u\u003e (Nov. 2004).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca id=\"200404CN\" name=\"200404CN\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcerpts from Randy Roy's comments on \u003cem\u003eCloudy Nights Telescope Reviews\u003c\/em\u003e website.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf you want wide field, pristine, color free views throughout a wide range of magnification -- if you want a scope that is a superfinder, a guidescope, a piggyback refractor, or an ultra-light travel scope -- and if you demand the best in fit, finish and build quality -- buy this. I've not seen anything else in its class that does so much.\u003c\/p\u003e\n\u003cp\u003e— Roy, R. \"Televue-60 APO\". \u003cu\u003eCloudy Nights Telescope Reviews\u003c\/u\u003e (Feb. 4, 2004).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ca id=\"200402TRW\" name=\"200402TRW\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcerpts from TV-60 review by Ed Ting, published on \u003ci\u003eThe Telescope Review Web Site\u003c\/i\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTeleVue's newest telescope is a cute little 60mm f\/6 apo. In a departure from their usual styling, the TV60 has a sleek, tapered black body that resembles a spotting scope. .... The construction is heavy-duty and very serious. There's a sliding bar on the bottom that's very similar to the one on the Ranger. Like the Ranger, it has a helical focuser and drawtube assembly. Unlike the Ranger, the TV60 adds a nice sliding dew shield.\u003c\/li\u003e\n\u003cli\u003eThe scope has impressive optics. .... No false color was noted. At only 15X (with a 24 mm Panoptic) Titan could be seen as a tiny pinpoint dot next to the planet. You can see Cassini's Division on Saturn at 70x (with a 5 mm Type 6 Nagler.) .... The Trapezium was easily resolved, .... Castor is an easy split. Most impressively, the scope split Rigel, again at 70X. On deep sky, you have to make some allowances for the small aperture. M35 is just starting to resolve, but the other nearby clusters (M37, M36, M38) look like similar faint smudges in the eyepiece. Not exciting, but again, we're only talking about a 60 mm telescope here.\u003c\/li\u003e\n\u003cli\u003eI once heard small scopes like this described as \"One-Hour Telescopes.\" You get to see pretty much everything you want to see in about an hour. As such, the TV60 is a great quick peek or travel scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUpdate, 2\/7\/04:\u003c\/b\u003e TeleVue informs me that they plan to offer an X-Y heavy duty version of their Starbeam mount, so that the TV60 can be mounted on a larger scope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e— Ting, E. \"Tele Vue-60\". \u003cu\u003eThe Telescope Review Web Site\u003c\/u\u003e (Feb. 1, 2004).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Tele Vue","offers":[{"title":"Default Title","offer_id":42045215899717,"sku":"TVO-2460","price":1920.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Untitleddesign_2_3c7e2281-a077-47f1-94ef-0ea71c619af0.jpg?v=1739588608"},{"product_id":"evostar-ed72-guidescope","title":"Skywatcher EVOSTAR ED72","description":"\u003cp\u003eSky-Watcher Evostar ED72 refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Sky-Watcher Evostar refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing and astrophotography, the focus position is designed for use with a camera.\u003c\/p\u003e\n\u003cp\u003eThis telescope is designed to be used as an astrograph, it short focal length make it ideal for imaging large star fields without the need for a large astronomical mount. However, we suggest the Skywatcher 0.85x Reducer \/ Corrector to flatten the wide field for better imaging results\u003c\/p\u003e\n\u003cp\u003eIt is also a perfect scope for Autoguiding with the addition of the ZWO ASI 120Mini Guider camera\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 14.4px;\"\u003eFEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"woocommerce-product-details__short-description\"\u003e\n\u003cul\u003e\n\u003cli\u003eOptical Doublet ED\u003c\/li\u003e\n\u003cli\u003eDiameter 72 mm\u003c\/li\u003e\n\u003cli\u003eFocal length 420 mm\u003c\/li\u003e\n\u003cli\u003eFocal ratio f \/ 5.8\u003c\/li\u003e\n\u003cli\u003eMax. Magnification 150x\u003c\/li\u003e\n\u003cli\u003eAnti-reflective treatment treatment\u003c\/li\u003e\n\u003cli\u003e50.8 \/ 31.8 dual speed focuser\u003c\/li\u003e\n\u003cli\u003eWeight 1.9 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSUPPLIED\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRings and “Vixen” style dovetail bar with camera mount\u003c\/li\u003e\n\u003cli\u003eHigh quality aluminium case for safe storage and travel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note: diagonal and eyepiece are not included with this telescope.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"TSA","offers":[{"title":"Default Title","offer_id":42045235232837,"sku":"SWED72","price":525.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/CopyofUntitled_547e6354-425c-46f1-88d0-e354d050d581.jpg?v=1739940695"},{"product_id":"tele-vue-85-ota-ivory-101-2","title":"Tele Vue 85 OTA Telescope","description":"\u003cp\u003e\u003cspan style=\"font-size: 140%;\"\u003eTele Vue 85 OTA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Tele Vue-85's mix of aperture and small physical size makes it a wonderful \"go anywhere, do anything,\" crossover instrument—with Tele Vue quality, of course. With APO performance and airline portability, the Tele Vue-85 has been delighting astronomy and birding enthusiasts and reviewers alike. \"Eye-popping performance that raises the standard of excellence for highly portable instruments.\" Evaluation of double-stars, lunar detail, deep sky and photography were reported in Sky and Telescope as: \"Truly awesome! ...Incredible!...the view almost blew me off my chair!...\" The conclusion, \"...an extremely powerful, compact instrument capable of delivering stunning images of the universe.\"\u003c\/p\u003e\n\u003cp\u003eThe Better View Desired website reviewer summed up the Tele Vue \"experience\" when he said he would choose the Tele Vue-85, \"...to really enjoy the incredible beauty of the living birds... And, even now, every time I look at a bird through one of the exceptional conventional spotting scopes, I'll be thinking: 'I wonder what this would look like through the Tele Vue-85? I wonder what this bird really looks like?'\" Yes, pure enjoyment of nature's beauty without awareness of a thing in between.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoft case included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew Accessory Kit from Tele Vue includes the following items\u003c\/p\u003e\n\u003cp\u003eEDE-18.2 18.2mm Tele Vue DeLite eyepiece\u003c\/p\u003e\n\u003cp\u003eRS3-8003 3\" Ring Mount\u003c\/p\u003e\n\u003cp\u003eDSF-8002 2\" 90° Tele Vue Everbrite - Satin\u003c\/p\u003e\n\u003cp\u003eASF-8125 2\" - 1.25\" Adapter - Satin Hi Hat\u003c\/p\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ctable style=\"height: 458px;\" border=\"0\" width=\"730\" cellspacing=\"0\" cellpadding=\"12\" align=\"middle\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType:\u003c\/td\u003e\n\u003ctd\u003eAPO (Doublet) Refractor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements \/Groups:\u003c\/td\u003e\n\u003ctd\u003e2 \/ 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObjective Diameter:\u003c\/td\u003e\n\u003ctd\u003e85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length:\u003c\/td\u003e\n\u003ctd\u003e600mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio (f\/):\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrawtube \/ Focuser\u003c\/td\u003e\n\u003ctd\u003e2 inch, Focusmate Dual Speed Rack and Pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength OTA\u003c\/td\u003e\n\u003ctd\u003e484mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength with Diagonal\u003c\/td\u003e\n\u003ctd\u003e556mm (with 2\" diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight OTA \/ std configuration (kg)\u003c\/td\u003e\n\u003ctd\u003e2.77kg \/ 3.63kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Visual Field of View (degrees)\u003c\/td\u003e\n\u003ctd\u003e4.4 degrees (with 2\" 55mm Plossl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum recommended magnification\u003c\/td\u003e\n\u003ctd\u003e225 X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"letter-spacing: normal;\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Tele Vue","offers":[{"title":"White","offer_id":42510016020549,"sku":"WXO-3372","price":4790.0,"currency_code":"AUD","in_stock":true},{"title":"Green","offer_id":42510016053317,"sku":"GXO-3372","price":4790.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Untitleddesign_2.jpg?v=1739588407"},{"product_id":"tv-76-ota-ivory","title":"Televue TV-76 OTA Refractor Telescope","description":"\u003cdiv class=\"w-separator size_medium\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"w-post-elm post_content\"\u003e\n\u003cp\u003eThe Tele Vue 76 OTA expansive 5.5° rich-field drizzles your view with delicate jewel-like stars, while the APO performance of the Nagler designed, fully multi-coated 2-element objective and 2″ Everbrite diagonal produce natural stellar and planetary color rendition even at the highest useful powers.\u003c\/p\u003e\n\u003cp\u003eSmall size and lighter weight permit the use of lighter-duty tripods for easy field carrying and transportation. The padded shoulder bag provides protection and room for the scope and six eyepieces.\u003c\/p\u003e\n\u003cp\u003eIf your interests crossover from astronomical to spotting or birding, and you demand the ultimate in portable performance the Tele Vue-76 is always waiting to deliver.\u003c\/p\u003e\n\u003cp\u003eNew Accessory Kit from Tele Vue includes the following items\u003c\/p\u003e\n\u003cp\u003eEDE-18.2 18.2mm Tele Vue DeLite eyepiece\u003c\/p\u003e\n\u003cp\u003eRS3-8003 3″ Ring Mount\u003c\/p\u003e\n\u003cp\u003eAPB-1008 Telescope Balance Aid\u003c\/p\u003e\n\u003cp\u003eDSF-8002 2″ 90° Tele Vue Everbrite – Satin\u003c\/p\u003e\n\u003cp\u003eASF-8125 2″ – 1.25″ Adapter – Satin Hi-Hat\u003c\/p\u003e\n\u003ch3 id=\"pageSectionTitle\"\u003eTV-76 OTA Specifications\u003c\/h3\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"346\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"237\"\u003e\n\u003ccol width=\"109\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\" width=\"237\"\u003eType\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"109\"\u003eAPO (Doublet) Refractor (Elements\/Groups: 2\/1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eObjective (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eFocal Length (mm)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e480\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eFocal Ratio (f\/#)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e6.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eDrawtube\/Focuser\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e2-inch, Focusmate dual-speed rack\/pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eLength OTA (inch)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e14.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eLength with diagonal (inch)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e17.4 (with 2-inch diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eWeight OTA\/Std. Config (lbs)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e5.1 \/ 7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eMaximum Visual Field (deg.)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e5.5° (with 2-inch 55mm Plössl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"21\"\u003e\n\u003ctd height=\"21\" class=\"xl65\"\u003eMaximum Recommended Power (x)\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTV-76 Soft Case Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe custom fitted case fits TV-76.\u003c\/li\u003e\n\u003cli\u003eDual hand-carry straps with padded palm closure.\u003c\/li\u003e\n\u003cli\u003eAdjustable shoulder strap with pad.\u003c\/li\u003e\n\u003cli\u003eDual zippers on the lid.\u003c\/li\u003e\n\u003cli\u003eRing Mount, Digital Indicator, and Starbeam friendly.\u003c\/li\u003e\n\u003cli\u003eFoam cutouts for Starbeam, 1 x 1¼” or 2″ eyepiece, and 3 x 1¼” eyepiece.\u003c\/li\u003e\n\u003cli\u003eApproximate maximum exterior dimensions (excluding handles and strap): 20 x 9 x 6-inches (51 x 23 x 15-cm).\u003c\/li\u003e\n\u003cli\u003eApproximate empty weight: 1.75-lb (0.8-kg).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSKU: WXO-3065\u003c\/p\u003e\n\u003ch3\u003eReviews\u003c\/h3\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eFrom \u003cem\u003eBirder’s World\u003c\/em\u003e roundup of fifteen birding scopes (including Swarovski, Zeiss, Nikon, Kowa, Pentax, Leica, and Questar) by Stephen Ingraham\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Tele Vue-76 offers the sharpest view of any field scope I have ever used, effortlessly reaching powers and distances that are well beyond the capability of any conventional scope. When I am out in the field with it, I always gather a long line of people waiting to see what the bird really looks like.”\u003c\/p\u003e\n\u003cp\u003e— Ingraham, S. “Sizing Up Scopes”. \u003cu\u003eBirder’s World\u003c\/u\u003e (Feb. 2004).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcerpts from David Healy’s \u003cem\u003eAstronomy\u003c\/em\u003e review of September 2002\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen used as a rich-field scope for deep-sky viewing, the TV 76 excels. With a long focus eyepiece in the 2-inch diagonal, the scope offers impressive views of “showpiece” objects that are too large in angular diameter to fit into the smaller fields of view of larger telescopes. Under a dark Arizona sky, the Andromeda Galaxy (M31) shows its full 3° extent, including its central dust lanes and two companion galaxies — M32 and NGC 205. Dozens of stars in the Pleiades cluster look like sparkling diamonds scattered on black velvet.\u003c\/p\u003e\n\u003cp\u003e— Healy, D. “Have Scope Will Travel”. \u003cu\u003eAstronomy\u003c\/u\u003e (Sept. 2002). \u003ca rel=\"noopener noreferrer\" href=\"http:\/\/televue.com\/engine\/TV3b_page.asp?plain=TRUE\u0026amp;id=132\" target=\"_blank\"\u003eFull Review\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"rev_quote\"\u003e\n\u003cp\u003e\u003cstrong\u003eBirding review excerpt from \u003cem\u003eBetter View Desired\u003c\/em\u003e \/ Reference Standard \u003cem\u003eTele Vue 76mm APO\u003c\/em\u003e article\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe view through it puts all the standard scopes in the shade. It is as bright, as sharp, as detailed as we have come to expect from Tele Vue products. I have had it out in the field on a regular basis over the past few months and it never fails to provide an impressive view of the bird.— “Tele Vue 76 mm APO”. \u003cu\u003eBetter View Desired\u003c\/u\u003e (March 2002). \u003ca rel=\"noopener noreferrer\" href=\"http:\/\/www.betterviewdesired.com\/Tele-Vue-76-mm-APO.php\" target=\"_blank\"\u003eFull Review\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Tele Vue","offers":[{"title":"White","offer_id":42510007697477,"sku":"WXO-3065","price":3830.0,"currency_code":"AUD","in_stock":true},{"title":"Green","offer_id":42510007730245,"sku":"GXO-3065","price":3830.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Untitleddesign_1.jpg?v=1739588304"},{"product_id":"tec-apo160fl-f7","title":"TEC APO160FL F7 Telescope","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eAn extension of the highly popular APO140FL, the APO160FL F\/7 allows the observer to delve deeper into the beauty of space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eThe TEC APO160FL F\/7 features an oil-spaced apochromatic-triplet objective with a Fluorite (CaF\u003c\/span\u003e\u003cspan class=\"s3\"\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e) middle element, resulting in color correction that is optimized for visual use and imaging. This oil-spaced triplet design in combination with multi-layer coatings on all surfaces of the objective ensure maximal light transmission.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe objective is housed in an aluminum cell, providing for excellent thermoregulation properties while remaining lightweight and strong.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe optical assembly sits in a lightweight aluminum tube that utilizes anti-reflective coating and sharp-edged baffles throughout the interior and forget about collimation – after the scope leaves TEC, no adjustment is required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eFurther, the crisp all white assembly projects the elegant, handcrafted quality that TEC is known for.\u003c\/span\u003e \u003cspan class=\"s2\"\u003eExpect deep contrast and rich, natural color out of this compact and timeless design.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eEach APO160FL F\/7 comes equipped with a Starlight Instruments FTF#3545 Feather Touch Focuser that was designed in collaboration with TEC. This is Starlight Instruments’ largest rotating focuser with coarse and fine focusing 9:1 Planetary Reduction Assembly.\u003c\/span\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli\u003eThe APO160FL F\/7 can be fitted with to other focuser models by request. Please contact TEC to confirm whether the desired focuser will fit with the desired TEC model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe 2” locking metal collet is insensitive to temperature fluctuations and holds loads with high precision and concentricity. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIt also comes equipped with a Focuser wheel for easy mount installation and direction.\u003c\/li\u003e\n\u003cli\u003eAvailable for purchase as a Binocular Telescope. This requires the purchase of 2 APO160FL F\/7.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eAble to accommodate a wide variety of eyepieces and mounts.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eIn classic refractor fashion, the TEC APO160FL F\/7 is a no compromise, no frills design that lets the wonders of nature speak for themselves. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cstrong\u003e \u003c\/strong\u003ePlease know that \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eALL PRICES AND AVAILABILITY ARE SUBJECT TO CHANGE WITHOUT NOTICE\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003e\u003cspan class=\"s1\"\u003eRecommended Accessories;\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003ePrecision adjustable Tube Rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003e12” Dovetail Plate and Carry Handle facilitate easy transportation and fit seamlessly with most mounts. The larger size fits effortlessly with our larger models.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eFocal Reducer Corrector converts the F\/7 Ratio to F\/6.2 with a 115mm back focus.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e160mm Field Flattener with an 85mm back focus.\u003c\/li\u003e\n\u003cli\u003e7×50 Vixen Finderscope with a \u003cspan class=\"s2\"\u003eTEC Finder Bracket and Base for Telescope mounting.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eTesting and Quality Assurance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTEC Telescopes go through rigorous testing to ensure top quality performance. Newtonian Rings are used throughout the glass production process and TEC then use an interferometer to correct any remaining imperfections. Every telescope is then tested vigorously to reach the most optimum Strehl ratio possible. Rest assured that your telescope has been optimized to be as optically perfect as possible. If the objective does not reach TEC's expectations, the telescope will not be shipped. \u003cstrong\u003eAs a strict policy, TEC will not release telescope test reports. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the objectives are fine-tuned under interferometrical control to meet the highest optical standards, cosmetic imperfections may exist in the objective and the tube assembly. Please rest assured that any imperfection in the telescope has been determined not to affect the optical performance.\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eResolution (Theoretical)\u003c\/td\u003e\n\u003ctd\u003e0.75 arc sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDew Shield Diameter\u003c\/td\u003e\n\u003ctd\u003e7.91″ \/ 201 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Diameter\u003c\/td\u003e\n\u003ctd\u003e6.38″ \/ 162 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Length (Retracted)\u003c\/td\u003e\n\u003ctd\u003e39″ \/ 991 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Length (Dew Shield Extended)\u003c\/td\u003e\n\u003ctd\u003e47″ 1194 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength Incl. Focuser Fully Extended\u003c\/td\u003e\n\u003ctd\u003e+3.5″ \/ 114 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength in Working Position with the Focuser in Middle of Focusing Range\u003c\/td\u003e\n\u003ctd\u003e50.7″ \/ 1288 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDist. From Focuser End to Focal Plane \u003cstrong\u003e(Back Focus)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003e7.48″ \/ 190 mm +-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter of Gravity from the Middle of the Wheel and 2.5 lbs \/ 1 kg load\u003c\/td\u003e\n\u003ctd\u003e15.6″ \/ 396 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter of Gravity from the Middle of the Wheel (Telescope Retracted)\u003c\/td\u003e\n\u003ctd\u003e16.4″ \/ 417 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTelescope Weight\u003c\/td\u003e\n\u003ctd\u003e27 lb \/ 12.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight Incl. Rings, Plate, Handle\u003c\/td\u003e\n\u003ctd\u003e31 lbs \/ 14 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"TEC","offers":[{"title":"Default Title","offer_id":42045283434565,"sku":"TEC160FL","price":24990.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/tec-apo160fl-f7-telescope-194539.jpg?v=1731541144"},{"product_id":"tec-apo180fl-f7","title":"TEC APO180FL F7 Telescope","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eOur largest portable refractor, the APO180FL F\/7 allows the observer to delve deep into the beauty of space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eThe APO180FL F\/7 features an oil-spaced apochromatic-triplet objective with a Fluorite (CaF\u003c\/span\u003e\u003cspan class=\"s3\"\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e) middle element, resulting in color correction that is optimized for visual use and imaging. This oil-spaced triplet design in combination with multi-layer coatings on all surfaces of the objective ensure maximal light transmission.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe objective is housed in an aluminum cell, providing for excellent thermoregulation properties while remaining lightweight and strong.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe optical assembly sits in a lightweight aluminum tube that utilizes anti-reflective coating and sharp-edged baffles throughout the interior and forget about collimation – after the scope leaves TEC, no adjustment is required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eFurther, the crisp all white assembly projects the elegant, handcrafted quality that TEC is known for.\u003c\/span\u003e \u003cspan class=\"s2\"\u003eExpect deep contrast and rich, natural color out of this compact and timeless design.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eEach APO180FL F\/7 comes equipped with a Starlight Instruments FTF#3545 Feather Touch Focuser that was designed in collaboration with TEC. This is Starlight Instruments’ largest rotating focuser with coarse and fine focusing 9:1 Planetary Reduction Assembly.\u003c\/span\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli\u003eThe APO180FL F\/7 can be fitted with to other focuser models by request. Please contact TEC to confirm whether the desired focuser will fit with the desired TEC model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe 2” locking metal collet is insensitive to temperature fluctuations and holds loads with high precision and concentricity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eIt also comes equipped with a Focuser wheel for easy mount installation and direction.\u003c\/li\u003e\n\u003cli\u003eAvailable for purchase as a Binocular Telescope. This requires the purchase of 2 APO180FL F\/7.\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eAble to accommodate a wide variety of eyepieces and mounts.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eIn classic refractor fashion, the TEC APO180FL F\/7 is a no compromise, no frills design that lets the wonders of nature speak for themselves. Please know that \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eALL PRICES AND AVAILABILITY ARE SUBJECT TO CHANGE.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003e\u003cspan class=\"s1\"\u003eRecommended Accessories;\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003e12” Dovetail Plate and Carry Handle facilitate easy transportation and fit seamlessly with most mounts. The larger size fits effortlessly with our larger models.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"s2\"\u003ePrecision adjustable Tube Rings.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eFocal Reducer Corrector converts the F\/7 Ratio to F\/6.2 with a 115mm back focus.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003e180mm Field Flattener prevents vignetting and ensures high quality imaging.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003e10×60 Baader Vario Finderscope with a TEC Finder Bracket and Base for Telescope mounting.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e7×50 Vixen Finderscope with a \u003cspan class=\"s2\"\u003eTEC Finder Bracket and Base for Telescope mounting.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eGutekunst Compact Atmospheric Dispersion Corrector (ADC).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eTesting and Quality Assurance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTEC Telescopes go through rigorous testing to ensure top quality performance. Newtonian Rings are used throughout the glass production process and we then use an interferometer to correct any remaining imperfections. Every telescope is then tested vigorously to reach the most optimum Strehl ratio possible. Rest assured that your telescope has been optimized to be as optically perfect as possible. If the objective does not reach Yuri’s expectations, the telescope will not be shipped. \u003cstrong\u003eAs a strict policy, TEC will not release telescope test reports.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the objectives are fine-tuned under interferometrical control to meet the highest optical standards, cosmetic imperfections may exist in the objective and the tube assembly. Please rest assured that any imperfection in the telescope has been determined not to affect the optical performance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1260 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eResolution (Theoretical)\u003c\/td\u003e\n\u003ctd\u003e0.66 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDew Shield Diameter\u003c\/td\u003e\n\u003ctd\u003e9.11″ \/ 231.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Diameter\u003c\/td\u003e\n\u003ctd\u003e7.56″ \/ 192 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Length (Retracted)\u003c\/td\u003e\n\u003ctd\u003e44.5″ \/ 1130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Length (Extended)\u003c\/td\u003e\n\u003ctd\u003e53″ \/ 1346 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser Tube Fully Extended\u003c\/td\u003e\n\u003ctd\u003e+3.5″ \/ 114 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength in Working Position with the Focuser in Middle of Focusing Range\u003c\/td\u003e\n\u003ctd\u003e56.1″ \/ 1425 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDist. From Focuser End to Focal Plane \u003cstrong\u003e(Back Focus)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003e8.27″ \/ 210 mm +-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter of Gravity from the Middle of the Wheel and 2.5 lbs \/ 1 kg load\u003c\/td\u003e\n\u003ctd\u003e19.7″ \/ 500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter of Gravity from the Middle of the Wheel (Telescope Retracted)\u003c\/td\u003e\n\u003ctd\u003e21.3″ \/ 540 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube weight\u003c\/td\u003e\n\u003ctd\u003e36.5 lb \/ 16.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight with Rings, Plate, Handle\u003c\/td\u003e\n\u003ctd\u003e40 lbs \/ 18.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"TEC","offers":[{"title":"Default Title","offer_id":42045283893317,"sku":"TEC180FL","price":31599.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/tec-apo180fl-f7-telescope-914184.jpg?v=1731541145"},{"product_id":"tec-apo140fl-f7","title":"TEC APO140FL F7 Telescope","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eOwing homage to one of TEC’s earliest designs, the APO140ED, the APO140FL F\/7debuted in 2017 and has quickly become TEC’s most popular model.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eThe APO140FL F\/7 features an oil-spaced apochromatic-triplet objective with a Fluorite (CaF\u003c\/span\u003e\u003cspan class=\"s3\"\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/span\u003e\u003cspan class=\"s2\"\u003e) middle element, resulting in color correction that is optimized for visual use and imaging. This oil-spaced triplet design in combination with multi-layer coatings on all surfaces of the objective ensure maximal light transmission.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe objective is housed in an aluminum cell, providing for excellent thermoregulation properties while remaining lightweight and strong.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe optical assembly sits in a lightweight aluminum tube that utilizes anti-reflective coating and sharp-edged baffles throughout the interior and forget about collimation – after the scope leaves TEC, no adjustment is required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eFurther, the crisp all white assembly projects the elegant, handcrafted quality that TEC is known for.\u003c\/span\u003e \u003cspan class=\"s2\"\u003eExpect deep contrast and rich, natural color out of this compact and timeless design.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\n\u003cspan class=\"s2\"\u003eEach APO140FL F\/7 comes equipped with a Starlight Instruments FTF#3545 Feather Touch Focuser that was designed in collaboration with TEC. This is Starlight Instruments’ largest rotating focuser with coarse and fine focusing 9:1 Planetary Reduction Assembly.\u003c\/span\u003e\n\u003cul class=\"ul1\"\u003e\n\u003cli\u003eThe APO140FL F\/7 can be fitted with to other focuser models by request. Please contact TEC to confirm whether the desired focuser will fit with the desired TEC model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eThe 2” locking metal collet is insensitive to temperature fluctuations and holds loads with high precision and concentricity.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eAble to accommodate a wide variety of eyepieces and mounts.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eIn classic refractor fashion, the TEC APO140FL F\/7 is a no compromise, no frills design that lets the wonders of nature speak for themselves. \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eALL PRICES AND AVAILABILITY ARE SUBJECT TO CHANGE WITHOUT NOTICE\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003e\u003cspan class=\"s1\"\u003eRecommended Accessories;\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003ePrecision adjustable Tube Rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003e9” Dovetail Plate and Carry Handle facilitate easy transportation and fit seamlessly with most mounts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eFocal Reducer Corrector converts the F\/7 Ratio to F\/6.2 with a 115mm back focus.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eTEC Transportation Case that eases transport between observation locations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eTEC Compact Case for easy lifting and transportation.\u003c\/li\u003e\n\u003cli\u003e7×50 Vixen Finderscope with a \u003cspan class=\"s2\"\u003eTEC Finder Bracket and Base for Telescope mounting.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eTesting and Quality Assurance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTEC Telescopes go through rigorous testing to ensure top quality performance. Newtonian Rings are used throughout the glass production process and TEC then use an interferometer to correct any remaining imperfections. Every telescope is then tested vigorously to reach the most optimum Strehl ratio possible. Rest assured that your telescope has been optimized to be as optically perfect as possible. If the objective does not reach TEC's expectations, the telescope will not be shipped. \u003cstrong\u003eAs a strict policy, TEC will not release telescope test reports. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the objectives are fine-tuned under interferometrical control to meet the highest optical standards, cosmetic imperfections may exist in the objective and the tube assembly. Please rest assured that any imperfection in the telescope has been determined not to affect the optical performance.\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eClear aperture\u003c\/td\u003e\n\u003ctd\u003e140mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e980mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eResolution (Theoretical)\u003c\/td\u003e\n\u003ctd\u003e0.8 arc sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDew Shield Diameter\u003c\/td\u003e\n\u003ctd\u003e5.9″ \/ 176mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Diameter\u003c\/td\u003e\n\u003ctd\u003e5.9″ \/ 150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Length (Retracted)\u003c\/td\u003e\n\u003ctd\u003e33″ \/ 840mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTube Length (Dew Shield Extended)\u003c\/td\u003e\n\u003ctd\u003e40″ \/ 1050mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength Incl. Focuser Fully Extended\u003c\/td\u003e\n\u003ctd\u003e+3.5″ \/ 114mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength in Working Position with the Focuser in Middle of Focusing Range\u003c\/td\u003e\n\u003ctd\u003e43″ \/ 1090mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDist. From Focuser End to Focal Plane \u003cstrong\u003e(Back Focus)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003e7.9″ \/ 200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter of Gravity from the Middle of the Focusing Knob 2.5 lbs \/ 1 kg load\u003c\/td\u003e\n\u003ctd\u003e14″ \/ 352mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter of Gravity from the Middle of the Focuser (Telescope Retracted)\u003c\/td\u003e\n\u003ctd\u003e16″ \/ 406mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tecsmall\"\u003eTelescope weight\u003c\/td\u003e\n\u003ctd\u003e18 lbs \/ 8.2kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight Incl. Rings, Plate, Handle, Finder\u003c\/td\u003e\n\u003ctd\u003e21 lbs \/ 9.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"TEC","offers":[{"title":"Default Title","offer_id":42045283827781,"sku":"TEC140FL","price":14990.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/tec-apo140fl-f7-telescope-230635.jpg?v=1731541144"},{"product_id":"borg-107fl-telescope-set-carbon-tube","title":"BORG 107FL Telescope Set (Carbon Tube)","description":"\u003cp\u003eThe BORG 107FL Telescope Set CR is the premium model BORG telescope, designed for professional astro-watchers. This telescope features a 600mm focal length objective lens that incorporates high-end apochromat fluorite glass elements from Canon Optron, Inc.\u003c\/p\u003e\n\u003cp\u003eAxial chromatic aberrations are suppressed even further with the 107FL objective lens when matched against the 90FL. The BORG 107FL Telescope Set CR is constructed with a lightweight and compactable carbon fiber barrel. Arca-Swiss Quick Release base plates are included for tripod mounting. The BORG 107FL Telescope Set CR is recommended for starry sky, nebula, star cluster, and planet observation.\u003c\/p\u003e\n\u003cp\u003eYou can convert this telescope to tele lens by swapping the prism and eyepiece with a BORG camera mount adapter (sold separately).\u003c\/p\u003e\n\u003ch3\u003eMain Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFluorite glass elements from Canon Optron, Inc. are incorporated in the optical design for ultimate resolution and minimal axial chromatic aberrations.\u003c\/li\u003e\n\u003cli\u003eObjective lens optical construction: 2 elements in 2 groups, fluorite apochromat, fully multicoated.\u003c\/li\u003e\n\u003cli\u003eRobust and beautiful carbon fiber barrel.\u003c\/li\u003e\n\u003cli\u003eBORG 80Ø barrel system.\u003c\/li\u003e\n\u003cli\u003eRack \u0026amp; pinion focusing system.\u003c\/li\u003e\n\u003cli\u003eErect prism (included) allows users to observe both on-ground objects and celestial bodies.\u003c\/li\u003e\n\u003cli\u003e20mm and 9mm eyepieces included.\u003c\/li\u003e\n\u003cli\u003eSuper lightweight at 3.7 kilograms (including accessories).\u003c\/li\u003e\n\u003cli\u003eArca-Swiss Quick Release System tripod plate.\u003c\/li\u003e\n\u003cli\u003eObjective lenses and major parts are Made in Japan.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e'CR' stands for carbon fiber barrel and rack \u0026amp; pinion focusing system.\u003c\/p\u003e\n\u003cp\u003eCamera mount adapters and other camera components are sold separately.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable class=\"prodSpecs\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Name\u003c\/th\u003e\n\u003ctd\u003eBORG 107FL Telescope Set CR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Code\u003c\/th\u003e\n\u003ctd\u003e6207\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length, mm\u003c\/th\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd\u003ef\/5.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin. Length, mm\u003c\/th\u003e\n\u003ctd\u003e504\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight, g\u003c\/th\u003e\n\u003ctd\u003e3700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size, mm\u003c\/th\u003e\n\u003ctd\u003e82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e","brand":"CR Kennedy","offers":[{"title":"Default Title","offer_id":42045307191365,"sku":"6207","price":5925.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/borg-107fl-telescope-set-carbon-tube-450308.jpg?v=1731540540"},{"product_id":"borg-90fl-telescope-set-cr-carbon-tube","title":"BORG 90FL Telescope Set CR (Carbon Tube)","description":"\u003cp\u003eThe BORG 90FL CR has exceptional optical resolution, accomplished by apochromat fluorite glass elements from Canon Optron, Inc. built in the optical design of the objective lens, and a super tele 500mm focal length and aperture of f\/5.6.\u003c\/p\u003e\n\u003cp\u003eA great piece of gear for observing celestial bodies and bird life in the Australian bush and city environments.\u003c\/p\u003e\n\u003cp\u003eThe 90mm front element diameter does not hamper the 90FL's extreme compact and lightweight capabilities thanks to the detachable carbon fiber made barrel. Recommended for starry sky, nebula, star cluster, and planet observation. You can convert this telescope to a tele lens by swapping the prism and eyepiece with a BORG camera mount adapter (sold separately).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eObjective lens equipped with apochromat fluorite glass elements from Canon Optron, Inc.\u003c\/li\u003e\n\u003cli\u003eObjective lens optical design: 2 elements in 2 groups, fluorite, apochromat, fully multicoated.\u003c\/li\u003e\n\u003cli\u003eRobust and beautiful carbon fiber barrel.\u003c\/li\u003e\n\u003cli\u003eBORG 80Ø barrel system.\u003c\/li\u003e\n\u003cli\u003eRack \u0026amp; pinion focusing system.\u003c\/li\u003e\n\u003cli\u003eErect prism (included) allows users to observe both on-ground objects and celestial bodies.\u003c\/li\u003e\n\u003cli\u003e20mm and 9mm eyepieces included.\u003c\/li\u003e\n\u003cli\u003eLightweight construction of 3 kilograms (including accessories).\u003c\/li\u003e\n\u003cli\u003eArca-Swiss Quick Release System tripod plate.\u003c\/li\u003e\n\u003cli\u003eObjective lenses and major parts are Made in Japan.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e'CR' stands for carbon fiber barrel and rack \u0026amp; pinion focusing system.\u003c\/p\u003e\n\u003cp\u003eCamera mount adapters and other camera components are sold separately.\u003c\/p\u003e\n\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable class=\"prodSpecs\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Name\u003c\/th\u003e\n\u003ctd\u003eBORG 90FL Telescope Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Code\u003c\/th\u003e\n\u003ctd\u003e6390\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length, mm\u003c\/th\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd\u003ef\/5.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin. Length, mm\u003c\/th\u003e\n\u003ctd\u003e420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight, g\u003c\/th\u003e\n\u003ctd\u003e2900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size, mm\u003c\/th\u003e\n\u003ctd\u003e82\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e","brand":"CR Kennedy","offers":[{"title":"Default Title","offer_id":42045307256901,"sku":"6390","price":4599.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/borg-90fl-telescope-set-cr-carbon-tube-266022.jpg?v=1731540543"},{"product_id":"borg-55fl-telescope-set","title":"BORG 55FL Telescope (Set)","description":"\u003cp\u003eSuperb optical performance thanks to Canon Optron, Inc. fluorite glass elements in the optical construction. The precise optical design results in an extremely sharp image with practically no chromatic aberrations.\u003c\/p\u003e\n\u003cp\u003eRecommended for starry sky, nebula, star cluster, and planet observation.\u003c\/p\u003e\n\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModular BORG Design\u003c\/li\u003e\n\u003cli\u003eApochromat fluorite glass elements.\u003c\/li\u003e\n\u003cli\u003eObjective lens optical design: 2 elements in 2 groups, fluorite element, apochromat, fully multicoated.\u003c\/li\u003e\n\u003cli\u003eErect prism (included) allows users to observe both on-ground objects and celestial bodies.\u003c\/li\u003e\n\u003cli\u003e20mm and 9mm eyepieces included.\u003c\/li\u003e\n\u003cli\u003eArca-Swiss Quick Release System tripod collar.\u003c\/li\u003e\n\u003cli\u003eUltra-lightweight of 962 grams.\u003c\/li\u003e\n\u003cli\u003eObjective lenses and major parts are Made in Japan.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable class=\"prodSpecs\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003ccol style=\"width: 50%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Code\u003c\/th\u003e\n\u003ctd\u003e6155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length, mm\u003c\/th\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Ratio\u003c\/th\u003e\n\u003ctd\u003ef\/4.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMin. Length, mm\u003c\/th\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight, g\u003c\/th\u003e\n\u003ctd\u003e962\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilter Size, mm\u003c\/th\u003e\n\u003ctd\u003e58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e","brand":"CR Kennedy","offers":[{"title":"Default Title","offer_id":42045307322437,"sku":"6155","price":1999.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/borg-55fl-telescope-set-261829.jpg?v=1731540540"},{"product_id":"tec-apo140fl-f9-6-telescope","title":"TEC APO140FL F9.6 Telescope","description":"\u003cp\u003ePictured Telescope is a prototype. (binoviewer not included)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe APO140FL F\/9.6 features an air-spaced apochromatic-doublet objective with a Fluorite (CaF2) rear element that results in a lighter objective.\u003c\/li\u003e\n\u003cli\u003eThe objective weighs about 2.5 lbs., compared to 5 lbs. for the APO140FL F\/7 version, allowing it to come to temperature more quickly.\u003c\/li\u003e\n\u003cli\u003eStarting 2025, the objective includes anti-reflective and hydrophobic coatings for easier cleaning and maintenance.\u003c\/li\u003e\n\u003cli\u003eHoused in an aluminum cell, it provides excellent thermoregulation while remaining lightweight and strong.\u003c\/li\u003e\n\u003cli\u003eThe optical assembly is inside a lightweight aluminum tube with sharp-edged baffles.\u003c\/li\u003e\n\u003cli\u003eNo collimation is needed after the scope leaves TEC.\u003c\/li\u003e\n\u003cli\u003eComes equipped with a Starlight Instruments FTF#2545 Feather Touch Focuser with coarse and fine 9:1 planetary reduction.\u003c\/li\u003e\n\u003cli\u003eThe 2\" locking metal collet is temperature-insensitive and holds loads with precision and concentricity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn classic refractor fashion, the TEC APO140FL F\/9.6 is a no-compromise, no-frills design that lets the wonders of nature speak for themselves.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003e\u003cspan class=\"s1\"\u003eRecommended Accessories;\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003ePrecision adjustable Tube Rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003e9” Dovetail Plate and Carry Handle facilitate easy transportation and fit seamlessly with most mounts.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eFocal Reducer Corrector converts the F\/7 Ratio to F\/6.2 with a 115mm back focus.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"li1\"\u003e\u003cspan class=\"s2\"\u003eTEC Transportation Case that eases transport between observation locations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eTEC Compact Case for easy lifting and transportation.\u003c\/li\u003e\n\u003cli\u003e7×50 Vixen Finderscope with a \u003cspan class=\"s2\"\u003eTEC Finder Bracket and Base for Telescope mounting.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003eTesting and Quality Assurance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTEC Telescopes go through rigorous testing to ensure top quality performance. Newtonian Rings are used throughout the glass production process and TEC then use an interferometer to correct any remaining imperfections. Every telescope is then tested vigorously to reach the most optimum Strehl ratio possible. Rest assured that your telescope has been optimized to be as optically perfect as possible. If the objective does not reach TEC's expectations, the telescope will not be shipped. \u003cstrong\u003eAs a strict policy, TEC will not release telescope test reports. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the objectives are fine-tuned under interferometrical control to meet the highest optical standards, cosmetic imperfections may exist in the objective and the tube assembly. Please rest assured that any imperfection in the telescope has been determined not to affect the optical performance.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"1\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eClear Aperture\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e140mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eFocal Length\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e1345mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e9.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e0.86 arc sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eBack Focus Distance\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e250mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eDew Shield Diameter\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e176mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eTube Diameter\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eWorking Tube Length\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e1430mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eTransport Tube Length\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e1120mm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eGlass Weight\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e1.1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eAirspace Gap\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 65.5235%;\"\u003eOTA Weight (Estimate)\u003c\/td\u003e\n\u003ctd style=\"width: 34.1155%;\"\u003e7.7kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"TEC","offers":[{"title":"Default Title","offer_id":43968408420421,"sku":"APO140FL F\/9.6","price":14990.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/tecdouble.jpg?v=1772594746"},{"product_id":"zwo-ff70-apo-flat-field-70mm-apochromatic-refractor","title":"ZWO FF70 APO Flat-Field 70mm Apochromatic Refractor","description":"\u003cdiv class=\"zw-page\"\u003e \u003cstyle\u003e .zw-page { --black: #000000; 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gap: 48px; align-items: center; max-width: 1100px; margin: 0 auto; } .zw-page .zw-split-img { width: 100%; border-radius: 28px; max-height: 700px; object-fit: cover; } @media (max-width: 900px) { .zw-page .zw-split { grid-template-columns: 1fr; text-align: center; } .zw-page .zw-split-text { order: 1; } .zw-page .zw-split-img { order: 2; } } .zw-page .zw-split-stack { padding-top: 0; } .zw-page .zw-cinema { padding: 120px 0 0; text-align: center; } .zw-page .zw-cinema-cap { max-width: 820px; margin: 0 auto 56px; padding: 0 22px; } .zw-page .zw-cinema-img { width: 100%; display: block; max-height: 700px; object-fit: cover; } @media (max-width: 640px) { .zw-page .zw-cinema { padding-top: 80px; } .zw-page .zw-cinema-img { max-height: 70vh; object-fit: cover; } } .zw-page .zw-specs { max-width: 980px; margin: 0 auto; font-size: 17px; color: var(--ink); } .zw-page .zw-specs-row { display: grid; grid-template-columns: 38% 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: start; } .zw-page .zw-specs-label { color: var(--mute); font-weight: 400; font-size: 17px; line-height: 1.5; } .zw-page .zw-specs-value { color: var(--ink); font-weight: 400; font-size: 17px; line-height: 1.5; overflow-wrap: anywhere; } .zw-page .zw-specs-cat { padding: 36px 0 14px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink); } @media (max-width: 640px) { .zw-page .zw-specs-row { font-size: 15px; padding: 14px 0; } } @media (max-width: 380px) { .zw-page .zw-specs-row { font-size: 13.5px; padding: 10px 0; } } .zw-page .zw-specs-head { text-align: center; max-width: 820px; margin: 0 auto 24px; } .zw-page .zw-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 48px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-highlight-item { display: flex; gap: 14px; align-items: flex-start; } .zw-page .zw-tick { width: 24px; height: 24px; flex-shrink: 0; color: var(--ink); margin-top: 2px; } @media (max-width: 700px) { .zw-page .zw-highlights { grid-template-columns: 1fr; } } .zw-page .zw-link { color: var(--link); font-size: 17px; display: inline-flex; align-items: center; gap: 4px; padding: 10px 4px; min-height: 44px; text-decoration: none; } .zw-page .zw-link svg { width: 18px; height: 18px; } .zw-page .zw-on-dark .zw-link { color: #2997FF; } .zw-page .zw-closing { text-align: center; } .zw-page .zw-closing h2 { max-width: 820px; margin: 0 auto 56px; } .zw-page .zw-perks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-perk-t { font-size: 17px; font-weight: 600; color: var(--ink); } .zw-page .zw-perk-s { font-size: 14px; color: var(--mute); margin-top: 4px; } @media (max-width: 1024px) { .zw-page .zw-perks { grid-template-columns: repeat(2, 1fr); } } \u003c\/style\u003e \u003csection class=\"zw-section zw-on-dark zw-hero\"\u003e \u003cdiv class=\"zw-hero-inner\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eZWO Flat-Field APO Series\u003c\/div\u003e \u003ch2 class=\"zw-hero-h2\"\u003eFF70 APO. \u003cspan class=\"zw-mute\"\u003eFlat field, built in.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-lead\"\u003eA 70 mm f\/7.0 four-element apochromatic refractor with a native flat field and a 44 mm full-frame image circle. At 2.5 kg it is the grab-and-go scope of the FF series, designed for both astrophotography and visual observing.\u003c\/p\u003e \u003cdiv class=\"zw-hero-ctas\"\u003e \u003ca href=\"#zw-features\" class=\"zw-link\"\u003eExplore the design \u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e \u003ca href=\"#zw-specs\" class=\"zw-link\"\u003eView specifications \u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper\"\u003e \u003cdiv class=\"zw-stats\"\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e70 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eaperture\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efour-element air-spaced APO\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e490 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003efocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003ef\/7.0\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e44 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eimage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efull-frame coverage\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e2.5 kg\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eoptical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003e3.0 kg with rings and dovetail\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-cinema zw-on-dark\"\u003e \u003cdiv class=\"zw-cinema-cap\"\u003e \u003cspan class=\"zw-eyebrow\"\u003eZWO FF Series\u003c\/span\u003e \u003ch2 class=\"zw-h2 zw-grad\"\u003eDesigned as an astrograph first.\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eEvery FF series telescope is built around a native flat field, so the optics, focuser and rear interfaces all serve one goal: clean stars across the whole sensor.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-cinema-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-flat-field-banner.webp?v=1781069482\" alt=\"ZWO FF70 APO flat-field apochromatic refractor banner\" loading=\"lazy\"\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-pullquote\"\u003e \u003cp\u003eAttach your camera, reach focus, start imaging. \u003cspan class=\"zw-mute\"\u003eNo flattener. No spacing maths.\u003c\/span\u003e\u003c\/p\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-on-dark\" id=\"zw-features\"\u003e \u003cdiv class=\"zw-bento\"\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eOptics\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eFour elements, fully air-spaced.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe FF70 APO uses a four-element, fully air-spaced apochromatic design in which all four elements work together to form the image. One ED (extra-low dispersion) glass element reduces chromatic aberration for cleaner colour correction and sharper stars.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eNative flat field\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eFlat to the edge. No flattener.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe flat imaging field is generated by the optical design itself, so there is no field flattener to buy and no back focus calculations to get right. Once focus is achieved, you are ready to capture.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFull-frame support\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003e44 mm image circle.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA 44 mm corrected image circle fully covers full-frame sensors, with sharp star fields and consistent illumination from centre to corner. Smaller APS-C and dedicated astronomy sensors have generous headroom.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFocusing\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003e1:10 dual-speed control.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA rigid 2.4″ rack-and-pinion focuser offers precise control, and the 1:10 coarse and fine adjustment makes critical focus easy to hit. A built-in 360° rotator at the rear sets your framing without disturbing focus.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eBuild\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eRetractable dew shield.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe dew shield retracts to shorten the tube for packing and travel. Precision CNC machining, a high-quality painted finish and an internal anti-reflection coating keep stray light down and image contrast up.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eConnectivity\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eAdapters in the box.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA photography extension tube with a 2″ filter thread is included, along with rear adapters in M48×0.75 and M54×0.75 standards. The quick-release mounting rings detach in seconds for fast setup and teardown.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eQuadruplet optics\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eFour elements. \u003cspan class=\"zw-mute\"\u003eOne flat field.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eAll four air-spaced elements work together to form the image, with one ED glass element controlling chromatic aberration for clean colour correction and tight, well-defined stars.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-four-element-optical-design.webp?v=1781069482\" alt=\"ZWO FF70 APO four-element air-spaced apochromatic optical design\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-optical-path-diagram.webp?v=1781069482\" alt=\"ZWO FF70 APO optical path diagram showing ED glass element position\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eOptical layout\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eThe light path, \u003cspan class=\"zw-mute\"\u003eend to end.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe optical layout delivers a corrected, flat field at the sensor with no additional optics in the imaging train. What leaves the objective arrives at your camera, flat.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFull-frame ready\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e44 mm \u003cspan class=\"zw-mute\"\u003eimage circle.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eFull-frame sensors are covered corner to corner with sharp star fields and consistent illumination, and smaller sensors sit comfortably inside the sweet spot.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-44mm-image-circle.webp?v=1781069482\" alt=\"ZWO FF70 APO 44mm image circle with full-frame camera support\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-focus-adjustment.webp?v=1781069482\" alt=\"ZWO FF70 APO coarse and fine focus adjustment\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eCritical focus\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eCoarse and fine, \u003cspan class=\"zw-mute\"\u003e1:10.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe rigid 2.4″ rack-and-pinion focuser moves imaging trains smoothly, and the 1:10 fine knob gives you the resolution to land exact focus on a star.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFraming\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e360° \u003cspan class=\"zw-mute\"\u003eof rotation.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eA built-in rotator at the rear lets you set the camera angle for perfect framing without unthreading anything or disturbing focus.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-camera-rotator.webp?v=1781069482\" alt=\"ZWO FF70 APO built-in 360 degree camera rotator and 1:10 focuser\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-rings-dew-shield.webp?v=1781069483\" alt=\"ZWO FF70 APO quick-release mounting rings and retractable dew shield\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eField-ready build\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eQuick-release rings. \u003cspan class=\"zw-mute\"\u003eRetractable dew shield.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe mounting rings detach in seconds for fast setup and teardown, and the dew shield slides back to shorten the tube for transport. CNC machining and an internal anti-reflection coating keep contrast high.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eIn the box\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003ePhotography \u003cspan class=\"zw-mute\"\u003eextension tube.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eA photography extension tube with a 2″ filter thread is included, plus M48×0.75 and M54×0.75 rear adapters, connecting cameras, filters and accessories cleanly out of the box.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-extension-tube.webp?v=1781069482\" alt=\"ZWO FF70 APO photography extension tube with 2 inch filter thread\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-lightweight-compact.webp?v=1781069482\" alt=\"ZWO FF70 APO lightweight compact refractor carried in one hand\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eLightweight and compact\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e2.5 kg, \u003cspan class=\"zw-mute\"\u003eready when you are.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eAt 70 mm aperture and 490 mm focal length, the FF70 APO balances portability against real performance. The optical tube weighs just 2.5 kg, or 3.0 kg with the handle, mounting rings and dovetail plate fitted.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-cinema zw-on-dark\"\u003e \u003cdiv class=\"zw-cinema-cap\"\u003e \u003cspan class=\"zw-eyebrow\"\u003eFlexible connectivity\u003c\/span\u003e \u003ch2 class=\"zw-h2 zw-grad\"\u003eOne telescope. Three configurations.\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003ePair the FF70 APO with ZWO ASI astronomy cameras, attach a DSLR or mirrorless body, or drop in a diagonal and eyepiece for visual observing. Focus is reached within a back focus range of 32.5–82.5 mm, measured from the M54–M48 interface shoulder. Visual accessories are available separately.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-cinema-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-connectivity-configurations.webp?v=1781052129\" alt=\"ZWO FF70 APO configurations for astrophotography cameras, DSLR and mirrorless cameras, and visual observation\" loading=\"lazy\"\u003e \u003c\/section\u003e \u003csection class=\"zw-section\" id=\"zw-highlights\"\u003e \u003cdiv class=\"zw-specs-head\"\u003e \u003ch2 class=\"zw-h2\"\u003eEvery detail, \u003cspan class=\"zw-mute\"\u003econsidered.\u003c\/span\u003e\n\u003c\/h2\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlights\"\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eFour-element, fully air-spaced apochromatic design with one ED glass element.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eNative flat-field design, no separate field flattener or spacing adjustments required.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003e44 mm image circle with full-frame sensor support and edge-to-edge sharpness.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003e2.4″ rack-and-pinion focuser with 1:10 coarse and fine adjustment.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eBuilt-in 360° rotator for precise camera angle adjustment.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eRetractable dew shield with internal anti-reflection coating for higher contrast.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eQuick-release mounting rings for fast setup and teardown.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003ePhotography extension tube with 2″ filter thread plus M48×0.75 and M54×0.75 rear adapters included.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper\" id=\"zw-specs\"\u003e \u003cdiv class=\"zw-specs-head\"\u003e \u003ch2 class=\"zw-h2\"\u003eSpecifications.\u003c\/h2\u003e \u003c\/div\u003e \u003cdiv class=\"zw-specs\"\u003e \u003cdiv class=\"zw-specs-cat\"\u003eOptics\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eEffective aperture\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e70 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e490 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal ratio\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003ef\/7.0\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObjective type\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eFour-element air-spaced APO (includes 1 ED element)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e44 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eIntegrated field flattener design\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eFocuser and rotation\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocuser\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e2.4″ rack-and-pinion, 1:10 coarse and fine adjustment\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eCamera rotator\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eBuilt-in, 360°\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eBack focus\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eBack focus range\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e32.5–82.5 mm, measured from the M54–M48 interface shoulder\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eMaximum rear connection length (focuser retracted)\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImaging mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e82.5 mm (from M48×0.75 male thread)\u003cbr\u003e100.5 mm (from M54×0.75 male thread)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObservation mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e117 mm (from 1.25″ eyepiece holder)\u003cbr\u003e127 mm (from 2″ eyepiece holder)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eDimensions and weight\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eOverall length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e372.5 mm (1.25″ interface retracted)\u003cbr\u003e415 mm (photography extension tube retracted)\u003cbr\u003e430.9 mm (1.25″ interface extended)\u003cbr\u003e473.4 mm (photography extension tube extended)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eTelescope body weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e2.5 kg\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eStandard configuration weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e3.0 kg (including handle, mounting rings and dovetail plate)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eInterfaces\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eRear interfaces\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eM64×0.75 – M54×0.75\u003cbr\u003eM54×0.75 – M54×0.75\u003cbr\u003eM54×0.75 – M48×0.75 (built-in M48×0.75 filter thread)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eThree-stage imaging adapter interface\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eM48×0.75\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eIn the box\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFF70 APO optical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eWith handle, mounting rings and dovetail plate\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003ePhotography extension tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eWith 2″ filter thread, M48×0.75 and M54×0.75 rear adapters\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eDocumentation\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eUser manual, inspection sheet, warranty card\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper zw-closing\"\u003e \u003ch2 class=\"zw-h2\"\u003eBuilt to last a lifetime.\u003c\/h2\u003e \u003cdiv class=\"zw-perks\"\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eAustralian warranty\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFull local cover\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eShips from Sydney\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom local stock\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eExpert advice\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom working astronomers\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003e40+ years\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eIn Australian astronomy\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003c\/div\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45120695271493,"sku":"ZWO FF70-APO","price":999.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff70-apo-refractor-side.webp?v=1781051952"},{"product_id":"zwo-ff90-apo-flat-field-90mm-apochromatic-refractor","title":"ZWO FF90 APO Flat-Field 90mm Apochromatic Refractor","description":"\u003cdiv class=\"zw-page\"\u003e \u003cstyle\u003e .zw-page { --black: #000000; --ink: #1D1D1F; --paper: #F5F5F7; --white: #FFFFFF; --mute: #86868B; --line: #D2D2D7; --link: #0066CC; --accent: #C6302B; --radius: 22px; --radius-lg: 28px; font-family: -apple-system, BlinkMacSystemFont, \"SF Pro Display\", \"SF Pro\", \"Helvetica Neue\", Helvetica, Arial, sans-serif; font-weight: 400; color: var(--ink); background: var(--white); line-height: 1.47; letter-spacing: -0.003em; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; } .zw-page img { max-width: 100%; height: auto; } .zw-page .zw-section { padding: 120px 22px; } @media (max-width: 640px) { .zw-page .zw-section { padding: 80px 22px; } } .zw-page .zw-on-dark { background: var(--black); color: var(--white); } .zw-page .zw-paper { background: var(--paper); } .zw-page .zw-hero-h2 { font-size: clamp(60px, 9vw, 112px); font-weight: 600; line-height: 1.04; letter-spacing: -0.025em; color: var(--ink); } .zw-page .zw-h2 { font-size: clamp(40px, 5.5vw, 72px); font-weight: 600; line-height: 1.07; letter-spacing: -0.022em; color: var(--ink); } .zw-page .zw-lead { font-size: clamp(19px, 1.6vw, 24px); letter-spacing: -0.009em; color: var(--ink); } .zw-page .zw-body { font-size: 17px; letter-spacing: -0.005em; line-height: 1.5; color: var(--ink); } .zw-page .zw-eyebrow { font-size: 17px; font-weight: 600; letter-spacing: -0.005em; color: var(--mute); } .zw-page .zw-mute { color: var(--mute); } .zw-page .zw-on-dark .zw-mute { color: #6E6E73; } .zw-page .zw-on-dark .zw-h2, .zw-page .zw-on-dark .zw-hero-h2 { color: var(--white); } .zw-page .zw-on-dark .zw-body, .zw-page .zw-on-dark .zw-lead { color: #C7C7CC; } .zw-page .zw-bento-card .zw-body { color: #C7C7CC; } .zw-page .zw-grad { background: linear-gradient(90deg, var(--white) 0%, var(--white) 35%, var(--accent) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; display: inline-block; } @media (max-width: 380px) { .zw-page .zw-hero-h2 { font-size: 42px; } } .zw-page .zw-hero { text-align: center; } .zw-page .zw-hero-inner { max-width: 880px; margin: 0 auto; } .zw-page .zw-hero .zw-lead { margin: 28px auto 0; max-width: 720px; } .zw-page .zw-hero-ctas { display: flex; gap: 28px; justify-content: center; align-items: center; margin-top: 36px; flex-wrap: wrap; } @media (max-width: 640px) { .zw-page .zw-hero-ctas { flex-direction: column; gap: 8px; } } .zw-page .zw-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto; } .zw-page .zw-stat-num { font-size: clamp(32px, 3.6vw, 52px); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; color: var(--ink); white-space: nowrap; } .zw-page .zw-stat-lbl { font-size: 15px; color: var(--mute); } .zw-page .zw-stat-cap { font-size: 13px; color: var(--mute); margin-top: 4px; } @media (max-width: 1024px) { .zw-page .zw-stats { grid-template-columns: repeat(2, 1fr); } } @media (max-width: 640px) { .zw-page .zw-stat-num { font-size: 30px; } } @media (max-width: 380px) { .zw-page .zw-stat-num { font-size: 26px; } } .zw-page .zw-pullquote { text-align: center; } .zw-page .zw-pullquote p { font-size: clamp(28px, 3.4vw, 48px); font-weight: 600; line-height: 1.15; letter-spacing: -0.018em; color: var(--ink); max-width: 920px; margin: 0 auto; padding: 20px 0; } @media (max-width: 640px) { .zw-page .zw-pullquote { padding-top: 80px; padding-bottom: 80px; } } .zw-page .zw-bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; max-width: 1100px; margin: 0 auto; } .zw-page .zw-bento-card { background: #1C1C1E; border-radius: 28px; padding: 44px; min-height: 320px; display: flex; flex-direction: column; justify-content: flex-start; color: var(--white); transition: transform 0.3s ease; } .zw-page .zw-bento-card:hover { transform: translateY(-2px); } .zw-page .zw-bento-card .zw-eyebrow { color: #98989D; } .zw-page .zw-bento-h { font-size: 28px; font-weight: 600; color: var(--white); margin: 8px 0 12px; } .zw-page .zw-big-number { font-size: clamp(80px, 10vw, 140px); font-weight: 600; line-height: 1; letter-spacing: -0.03em; color: var(--white); } .zw-page .zw-span-2 { grid-column: span 2; } .zw-page .zw-span-3 { grid-column: span 3; } .zw-page .zw-span-4 { grid-column: span 4; min-height: 380px; } @media (max-width: 1024px) { .zw-page .zw-bento { grid-template-columns: repeat(2, 1fr); } .zw-page .zw-span-2, .zw-page .zw-span-3, .zw-page .zw-span-4 { grid-column: span 1; } } @media (max-width: 640px) { .zw-page .zw-bento { display: flex; grid-template-columns: none; gap: 14px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none; margin: 0 -22px; padding: 4px 22px; scroll-padding-left: 22px; } .zw-page .zw-bento::-webkit-scrollbar { display: none; } .zw-page .zw-bento-card, .zw-page .zw-span-2, .zw-page .zw-span-3, .zw-page .zw-span-4 { grid-column: auto; flex: 0 0 85%; scroll-snap-align: start; min-height: 300px; padding: 28px; } } .zw-page .zw-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: 1100px; margin: 0 auto; } .zw-page .zw-split-img { width: 100%; border-radius: 28px; max-height: 700px; object-fit: cover; } @media (max-width: 900px) { .zw-page .zw-split { grid-template-columns: 1fr; text-align: center; } .zw-page .zw-split-text { order: 1; } .zw-page .zw-split-img { order: 2; } } .zw-page .zw-split-stack { padding-top: 0; } .zw-page .zw-cinema { padding: 120px 0 0; text-align: center; } .zw-page .zw-cinema-cap { max-width: 820px; margin: 0 auto 56px; padding: 0 22px; } .zw-page .zw-cinema-img { width: 100%; display: block; max-height: 700px; object-fit: cover; } @media (max-width: 640px) { .zw-page .zw-cinema { padding-top: 80px; } .zw-page .zw-cinema-img { max-height: 70vh; object-fit: cover; } } .zw-page .zw-specs { max-width: 980px; margin: 0 auto; font-size: 17px; color: var(--ink); } .zw-page .zw-specs-row { display: grid; grid-template-columns: 38% 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: start; } .zw-page .zw-specs-label { color: var(--mute); font-weight: 400; font-size: 17px; line-height: 1.5; } .zw-page .zw-specs-value { color: var(--ink); font-weight: 400; font-size: 17px; line-height: 1.5; overflow-wrap: anywhere; } .zw-page .zw-specs-cat { padding: 36px 0 14px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink); } @media (max-width: 640px) { .zw-page .zw-specs-row { font-size: 15px; padding: 14px 0; } } @media (max-width: 380px) { .zw-page .zw-specs-row { font-size: 13.5px; padding: 10px 0; } } .zw-page .zw-specs-head { text-align: center; max-width: 820px; margin: 0 auto 24px; } .zw-page .zw-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 48px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-highlight-item { display: flex; gap: 14px; align-items: flex-start; } .zw-page .zw-tick { width: 24px; height: 24px; flex-shrink: 0; color: var(--ink); margin-top: 2px; } @media (max-width: 700px) { .zw-page .zw-highlights { grid-template-columns: 1fr; } } .zw-page .zw-link { color: var(--link); font-size: 17px; display: inline-flex; align-items: center; gap: 4px; padding: 10px 4px; min-height: 44px; text-decoration: none; } .zw-page .zw-link svg { width: 18px; height: 18px; } .zw-page .zw-on-dark .zw-link { color: #2997FF; } .zw-page .zw-closing { text-align: center; } .zw-page .zw-closing h2 { max-width: 820px; margin: 0 auto 56px; } .zw-page .zw-perks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-perk-t { font-size: 17px; font-weight: 600; color: var(--ink); } .zw-page .zw-perk-s { font-size: 14px; color: var(--mute); margin-top: 4px; } @media (max-width: 1024px) { .zw-page .zw-perks { grid-template-columns: repeat(2, 1fr); } } \u003c\/style\u003e \u003csection class=\"zw-section zw-on-dark zw-hero\"\u003e \u003cdiv class=\"zw-hero-inner\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eZWO Flat-Field APO Series\u003c\/div\u003e \u003ch2 class=\"zw-hero-h2\"\u003eFF90 APO. \u003cspan class=\"zw-mute\"\u003eFlat field, built in.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-lead\"\u003eA 90 mm f\/6.8 four-element apochromatic refractor with a native flat field and a 44 mm full-frame image circle. The all-rounder of the FF series, with the aperture for serious deep-sky imaging and the weight for an easy portable setup.\u003c\/p\u003e \u003cdiv class=\"zw-hero-ctas\"\u003e \u003ca href=\"#zw-features\" class=\"zw-link\"\u003eExplore the design \u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e \u003ca href=\"#zw-specs\" class=\"zw-link\"\u003eView specifications \u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper\"\u003e \u003cdiv class=\"zw-stats\"\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e90 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eaperture\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efour-element air-spaced APO\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e609 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003efocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003ef\/6.8\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e44 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eimage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efull-frame coverage\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e3.92 kg\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eoptical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003e4.52 kg with rings and dovetail\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-cinema zw-on-dark\"\u003e \u003cdiv class=\"zw-cinema-cap\"\u003e \u003cspan class=\"zw-eyebrow\"\u003eZWO FF Series\u003c\/span\u003e \u003ch2 class=\"zw-h2 zw-grad\"\u003eDesigned as an astrograph first.\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eEvery FF series telescope is built around a native flat field, so the optics, focuser and rear interfaces all serve one goal: clean stars across the whole sensor.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-cinema-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-flat-field-banner.webp?v=1781069482\" alt=\"ZWO FF90 APO flat-field apochromatic refractor banner\" loading=\"lazy\"\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-pullquote\"\u003e \u003cp\u003eAttach your camera, reach focus, start imaging. \u003cspan class=\"zw-mute\"\u003eNo flattener. No spacing maths.\u003c\/span\u003e\u003c\/p\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-on-dark\" id=\"zw-features\"\u003e \u003cdiv class=\"zw-bento\"\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eOptics\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eFour elements, fully air-spaced.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe FF90 APO uses a four-element, fully air-spaced apochromatic design in which all four elements work together to form the image. One ED (extra-low dispersion) glass element reduces chromatic aberration for cleaner colour correction and sharper stars.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eNative flat field\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eFlat to the edge. No flattener.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe flat imaging field is generated by the optical design itself, so there is no field flattener to buy and no back focus calculations to get right. Once focus is achieved, you are ready to capture.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFull-frame support\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003e44 mm image circle.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA 44 mm corrected image circle fully covers full-frame sensors, with sharp star fields and consistent illumination from centre to corner. Smaller APS-C and dedicated astronomy sensors have generous headroom.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFocusing\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003e1:10 dual-speed control.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA rigid 3″ rack-and-pinion focuser offers precise control, and the 1:10 coarse and fine adjustment makes critical focus easy to hit. A built-in 360° rotator at the rear sets your framing without disturbing focus.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eBuild\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eRetractable dew shield.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe dew shield retracts to shorten the tube for packing and travel. Precision CNC machining, a high-quality painted finish and an internal anti-reflection coating keep stray light down and image contrast up.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eConnectivity\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eAdapters in the box.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA photography extension tube with a 2″ filter thread is included, along with rear adapters in M48×0.75 and M54×0.75 standards. The quick-release mounting rings detach in seconds for fast setup and teardown.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eQuadruplet optics\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eFour elements. \u003cspan class=\"zw-mute\"\u003eOne flat field.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eAll four air-spaced elements work together to form the image, with one ED glass element controlling chromatic aberration for clean colour correction and tight, well-defined stars.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-four-element-optical-design.webp?v=1781069482\" alt=\"ZWO FF90 APO four-element air-spaced apochromatic optical design\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-optical-path-diagram.webp?v=1781069482\" alt=\"ZWO FF90 APO optical path diagram showing ED glass element position\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eOptical layout\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eThe light path, \u003cspan class=\"zw-mute\"\u003eend to end.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe optical layout delivers a corrected, flat field at the sensor with no additional optics in the imaging train. What leaves the objective arrives at your camera, flat.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFull-frame ready\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e44 mm \u003cspan class=\"zw-mute\"\u003eimage circle.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eFull-frame sensors are covered corner to corner with sharp star fields and consistent illumination, and smaller sensors sit comfortably inside the sweet spot.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-44mm-image-circle.webp?v=1781069482\" alt=\"ZWO FF90 APO 44mm image circle with full-frame camera support\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-focus-adjustment.webp?v=1781069482\" alt=\"ZWO FF90 APO coarse and fine focus adjustment\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eCritical focus\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eCoarse and fine, \u003cspan class=\"zw-mute\"\u003e1:10.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe rigid 3″ rack-and-pinion focuser moves heavy imaging trains smoothly, and the 1:10 fine knob gives you the resolution to land exact focus on a star.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFraming\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e360° \u003cspan class=\"zw-mute\"\u003eof rotation.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eA built-in rotator at the rear lets you set the camera angle for perfect framing without unthreading anything or disturbing focus.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-camera-rotator.webp?v=1781069482\" alt=\"ZWO FF90 APO built-in 360 degree camera rotator and 1:10 focuser\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-rings-dew-shield.webp?v=1781069482\" alt=\"ZWO FF90 APO quick-release mounting rings and retractable dew shield\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eField-ready build\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eQuick-release rings. \u003cspan class=\"zw-mute\"\u003eRetractable dew shield.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe mounting rings detach in seconds for fast setup and teardown, and the dew shield slides back to shorten the tube for transport. CNC machining and an internal anti-reflection coating keep contrast high.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eIn the box\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003ePhotography \u003cspan class=\"zw-mute\"\u003eextension tube.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eA photography extension tube with a 2″ filter thread is included, plus M48×0.75 and M54×0.75 rear adapters, connecting cameras, filters and accessories cleanly out of the box.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-extension-tube.webp?v=1781069482\" alt=\"ZWO FF90 APO photography extension tube with 2 inch filter thread\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-lightweight-compact.webp?v=1781069482\" alt=\"ZWO FF90 APO lightweight compact refractor carried in one hand\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eLightweight and compact\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e90 mm of aperture, \u003cspan class=\"zw-mute\"\u003ewithout the bulk.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eAt 90 mm aperture and 609 mm focal length, the FF90 APO gathers noticeably more light than smaller travel scopes while staying genuinely portable. The optical tube weighs 3.92 kg, or 4.52 kg with the handle, mounting rings and dovetail plate fitted.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-cinema zw-on-dark\"\u003e \u003cdiv class=\"zw-cinema-cap\"\u003e \u003cspan class=\"zw-eyebrow\"\u003eFlexible connectivity\u003c\/span\u003e \u003ch2 class=\"zw-h2 zw-grad\"\u003eOne telescope. Three configurations.\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003ePair the FF90 APO with ZWO ASI astronomy cameras, attach a DSLR or mirrorless body, or drop in a diagonal and eyepiece for visual observing. Focus is reached within a back focus range of 45–75 mm, measured from the M54–M48 interface shoulder. Visual accessories are available separately.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-cinema-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-connectivity-configurations.webp?v=1781052128\" alt=\"ZWO FF90 APO configurations for astrophotography cameras, DSLR and mirrorless cameras, and visual observation\" loading=\"lazy\"\u003e \u003c\/section\u003e \u003csection class=\"zw-section\" id=\"zw-highlights\"\u003e \u003cdiv class=\"zw-specs-head\"\u003e \u003ch2 class=\"zw-h2\"\u003eEvery detail, \u003cspan class=\"zw-mute\"\u003econsidered.\u003c\/span\u003e\n\u003c\/h2\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlights\"\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eFour-element, fully air-spaced apochromatic design with one ED glass element.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eNative flat-field design, no separate field flattener or spacing adjustments required.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003e44 mm image circle with full-frame sensor support and edge-to-edge sharpness.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003e3″ rack-and-pinion focuser with 1:10 coarse and fine adjustment.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eBuilt-in 360° rotator for precise camera angle adjustment.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eRetractable dew shield with internal anti-reflection coating for higher contrast.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eQuick-release mounting rings for fast setup and teardown.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003ePhotography extension tube with 2″ filter thread plus M48×0.75 and M54×0.75 rear adapters included.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper\" id=\"zw-specs\"\u003e \u003cdiv class=\"zw-specs-head\"\u003e \u003ch2 class=\"zw-h2\"\u003eSpecifications.\u003c\/h2\u003e \u003c\/div\u003e \u003cdiv class=\"zw-specs\"\u003e \u003cdiv class=\"zw-specs-cat\"\u003eOptics\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eEffective aperture\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e90 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e609 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal ratio\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003ef\/6.8\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObjective type\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eFour-element air-spaced APO (includes 1 ED element)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e44 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eIntegrated field flattener design\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eFocuser and rotation\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocuser\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e3″ rack-and-pinion, 1:10 coarse and fine adjustment\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eCamera rotator\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eBuilt-in, 360°\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eBack focus\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eBack focus range\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e45–75 mm, measured from the M54–M48 interface shoulder\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eMaximum rear connection length (focuser retracted)\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImaging mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e75 mm (from M48×0.75 male thread)\u003cbr\u003e93 mm (from M54×0.75 male thread)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObservation mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e112 mm (from 1.25″ eyepiece holder)\u003cbr\u003e122 mm (from 2″ eyepiece holder)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eDimensions and weight\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eOverall length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e513 mm (1.25″ interface retracted)\u003cbr\u003e550 mm (photography extension tube retracted)\u003cbr\u003e599 mm (1.25″ interface extended)\u003cbr\u003e636 mm (photography extension tube extended)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eTelescope body weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e3.92 kg\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eStandard configuration weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e4.52 kg (including handle, mounting rings and dovetail plate)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eInterfaces\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eRear interfaces\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eM64×1 – M54×0.75\u003cbr\u003eM54×0.75 – M54×0.75\u003cbr\u003eM54×0.75 – M48×0.75 (built-in M48×0.75 filter thread)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eIn the box\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFF90 APO optical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eWith handle, mounting rings and dovetail plate\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003ePhotography extension tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eWith 2″ filter thread, M48×0.75 and M54×0.75 rear adapters\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eDocumentation\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eUser manual, inspection sheet, warranty card\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper zw-closing\"\u003e \u003ch2 class=\"zw-h2\"\u003eBuilt to last a lifetime.\u003c\/h2\u003e \u003cdiv class=\"zw-perks\"\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eAustralian warranty\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFull local cover\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eShips from Sydney\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom local stock\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eExpert advice\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom working astronomers\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003e40+ years\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eIn Australian astronomy\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003c\/div\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45120696188997,"sku":"ZWO FF90-APO","price":1649.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff90-apo-refractor-side.webp?v=1781051973"},{"product_id":"zwo-ff110-apo-flat-field-110mm-apochromatic-refractor","title":"ZWO FF110 APO Flat-Field 110mm Apochromatic Refractor","description":"\u003cdiv class=\"zw-page\"\u003e \u003cstyle\u003e .zw-page { --black: #000000; --ink: #1D1D1F; --paper: #F5F5F7; --white: #FFFFFF; --mute: #86868B; --line: #D2D2D7; --link: #0066CC; --accent: #C6302B; --radius: 22px; --radius-lg: 28px; font-family: -apple-system, BlinkMacSystemFont, \"SF Pro Display\", \"SF Pro\", \"Helvetica Neue\", Helvetica, Arial, sans-serif; font-weight: 400; color: var(--ink); background: var(--white); line-height: 1.47; letter-spacing: -0.003em; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; } .zw-page img { max-width: 100%; height: auto; } .zw-page .zw-section { padding: 120px 22px; } @media (max-width: 640px) { .zw-page .zw-section { padding: 80px 22px; } } .zw-page .zw-on-dark { background: var(--black); color: var(--white); } .zw-page .zw-paper { background: var(--paper); } .zw-page .zw-hero-h2 { font-size: clamp(60px, 9vw, 112px); font-weight: 600; line-height: 1.04; letter-spacing: -0.025em; color: var(--ink); } .zw-page .zw-h2 { font-size: clamp(40px, 5.5vw, 72px); font-weight: 600; line-height: 1.07; letter-spacing: -0.022em; color: var(--ink); } .zw-page .zw-lead { font-size: clamp(19px, 1.6vw, 24px); letter-spacing: -0.009em; color: var(--ink); } .zw-page .zw-body { font-size: 17px; letter-spacing: -0.005em; line-height: 1.5; color: var(--ink); } .zw-page .zw-eyebrow { font-size: 17px; font-weight: 600; letter-spacing: -0.005em; color: var(--mute); } .zw-page .zw-mute { color: var(--mute); } .zw-page .zw-on-dark .zw-mute { color: #6E6E73; } .zw-page .zw-on-dark .zw-h2, .zw-page .zw-on-dark .zw-hero-h2 { color: var(--white); } .zw-page .zw-on-dark .zw-body, .zw-page .zw-on-dark .zw-lead { color: #C7C7CC; } .zw-page .zw-bento-card .zw-body { color: #C7C7CC; } .zw-page .zw-grad { background: linear-gradient(90deg, var(--white) 0%, var(--white) 35%, var(--accent) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; display: inline-block; } @media (max-width: 380px) { .zw-page .zw-hero-h2 { font-size: 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.zw-page .zw-big-number { font-size: clamp(80px, 10vw, 140px); font-weight: 600; line-height: 1; letter-spacing: -0.03em; color: var(--white); } .zw-page .zw-span-2 { grid-column: span 2; } .zw-page .zw-span-3 { grid-column: span 3; } .zw-page .zw-span-4 { grid-column: span 4; min-height: 380px; } @media (max-width: 1024px) { .zw-page .zw-bento { grid-template-columns: repeat(2, 1fr); } .zw-page .zw-span-2, .zw-page .zw-span-3, .zw-page .zw-span-4 { grid-column: span 1; } } @media (max-width: 640px) { .zw-page .zw-bento { display: flex; grid-template-columns: none; gap: 14px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none; margin: 0 -22px; padding: 4px 22px; scroll-padding-left: 22px; } .zw-page .zw-bento::-webkit-scrollbar { display: none; } .zw-page .zw-bento-card, .zw-page .zw-span-2, .zw-page .zw-span-3, .zw-page .zw-span-4 { grid-column: auto; flex: 0 0 85%; scroll-snap-align: start; min-height: 300px; padding: 28px; } } .zw-page .zw-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: 1100px; margin: 0 auto; } .zw-page .zw-split-img { width: 100%; border-radius: 28px; max-height: 700px; object-fit: cover; } @media (max-width: 900px) { .zw-page .zw-split { grid-template-columns: 1fr; text-align: center; } .zw-page .zw-split-text { order: 1; } .zw-page .zw-split-img { order: 2; } } .zw-page .zw-split-stack { padding-top: 0; } .zw-page .zw-cinema { padding: 120px 0 0; text-align: center; } .zw-page .zw-cinema-cap { max-width: 820px; margin: 0 auto 56px; padding: 0 22px; } .zw-page .zw-cinema-img { width: 100%; display: block; max-height: 700px; object-fit: cover; } @media (max-width: 640px) { .zw-page .zw-cinema { padding-top: 80px; } .zw-page .zw-cinema-img { max-height: 70vh; object-fit: cover; } } .zw-page .zw-specs { max-width: 980px; margin: 0 auto; font-size: 17px; color: var(--ink); } .zw-page .zw-specs-row { display: grid; grid-template-columns: 38% 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: start; } .zw-page .zw-specs-label { color: var(--mute); font-weight: 400; font-size: 17px; line-height: 1.5; } .zw-page .zw-specs-value { color: var(--ink); font-weight: 400; font-size: 17px; line-height: 1.5; overflow-wrap: anywhere; } .zw-page .zw-specs-cat { padding: 36px 0 14px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink); } @media (max-width: 640px) { .zw-page .zw-specs-row { font-size: 15px; padding: 14px 0; } } @media (max-width: 380px) { .zw-page .zw-specs-row { font-size: 13.5px; padding: 10px 0; } } .zw-page .zw-specs-head { text-align: center; max-width: 820px; margin: 0 auto 24px; } .zw-page .zw-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 48px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-highlight-item { display: flex; gap: 14px; align-items: flex-start; } .zw-page .zw-tick { width: 24px; height: 24px; flex-shrink: 0; color: var(--ink); margin-top: 2px; } @media (max-width: 700px) { .zw-page .zw-highlights { grid-template-columns: 1fr; } } .zw-page .zw-link { color: var(--link); font-size: 17px; display: inline-flex; align-items: center; gap: 4px; padding: 10px 4px; min-height: 44px; text-decoration: none; } .zw-page .zw-link svg { width: 18px; height: 18px; } .zw-page .zw-on-dark .zw-link { color: #2997FF; } .zw-page .zw-closing { text-align: center; } .zw-page .zw-closing h2 { max-width: 820px; margin: 0 auto 56px; } .zw-page .zw-perks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-perk-t { font-size: 17px; font-weight: 600; color: var(--ink); } .zw-page .zw-perk-s { font-size: 14px; color: var(--mute); margin-top: 4px; } @media (max-width: 1024px) { .zw-page .zw-perks { grid-template-columns: repeat(2, 1fr); } } \u003c\/style\u003e \u003csection class=\"zw-section zw-on-dark zw-hero\"\u003e \u003cdiv class=\"zw-hero-inner\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eZWO Flat-Field APO Series\u003c\/div\u003e \u003ch2 class=\"zw-hero-h2\"\u003eFF110 APO. \u003cspan class=\"zw-mute\"\u003eFlat field, built in.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-lead\"\u003eA 110 mm f\/7.0 four-element apochromatic refractor with a native flat field and a 44 mm full-frame image circle. With 766 mm of focal length, it reaches deeper into galaxies and small nebulae while remaining a practical one-person setup.\u003c\/p\u003e \u003cdiv class=\"zw-hero-ctas\"\u003e \u003ca href=\"#zw-features\" class=\"zw-link\"\u003eExplore the design \u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e \u003ca href=\"#zw-specs\" class=\"zw-link\"\u003eView specifications \u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper\"\u003e \u003cdiv class=\"zw-stats\"\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e110 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eaperture\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efour-element air-spaced APO\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e766 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003efocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003ef\/7.0\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e44 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eimage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efull-frame coverage\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e5.74 kg\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eoptical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003e6.76 kg with rings and dovetail\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-cinema zw-on-dark\"\u003e \u003cdiv class=\"zw-cinema-cap\"\u003e \u003cspan class=\"zw-eyebrow\"\u003eZWO FF Series\u003c\/span\u003e \u003ch2 class=\"zw-h2 zw-grad\"\u003eDesigned as an astrograph first.\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eEvery FF series telescope is built around a native flat field, so the optics, focuser and rear interfaces all serve one goal: clean stars across the whole sensor.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-cinema-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-flat-field-banner.webp?v=1781069482\" alt=\"ZWO FF110 APO flat-field apochromatic refractor banner\" loading=\"lazy\"\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-pullquote\"\u003e \u003cp\u003eAttach your camera, reach focus, start imaging. \u003cspan class=\"zw-mute\"\u003eNo flattener. No spacing maths.\u003c\/span\u003e\u003c\/p\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-on-dark\" id=\"zw-features\"\u003e \u003cdiv class=\"zw-bento\"\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eOptics\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eFour elements, fully air-spaced.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe FF110 APO uses a four-element, fully air-spaced apochromatic design in which all four elements work together to form the image. One ED (extra-low dispersion) glass element reduces chromatic aberration for cleaner colour correction and sharper stars.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eNative flat field\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eFlat to the edge. No flattener.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe flat imaging field is generated by the optical design itself, so there is no field flattener to buy and no back focus calculations to get right. Once focus is achieved, you are ready to capture.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFull-frame support\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003e44 mm image circle.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA 44 mm corrected image circle fully covers full-frame sensors, with sharp star fields and consistent illumination from centre to corner. Smaller APS-C and dedicated astronomy sensors have generous headroom.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFocusing\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003e1:10 dual-speed control.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA rigid 3″ rack-and-pinion focuser offers precise control, and the 1:10 coarse and fine adjustment makes critical focus easy to hit. A built-in 360° rotator at the rear sets your framing without disturbing focus.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eBuild\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eRetractable dew shield.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eThe dew shield retracts to shorten the tube for packing and travel. Precision CNC machining, a high-quality painted finish and an internal anti-reflection coating keep stray light down and image contrast up.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-bento-card zw-span-3\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eConnectivity\u003c\/div\u003e \u003ch3 class=\"zw-bento-h\"\u003eAdapters in the box.\u003c\/h3\u003e \u003cp class=\"zw-body\"\u003eA photography extension tube with a 2″ filter thread is included, along with rear adapters in M48×0.75 and M54×0.75 standards. The quick-release mounting rings detach in seconds for fast setup and teardown.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eQuadruplet optics\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eFour elements. \u003cspan class=\"zw-mute\"\u003eOne flat field.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eAll four air-spaced elements work together to form the image, with one ED glass element controlling chromatic aberration for clean colour correction and tight, well-defined stars.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-four-element-optical-design.webp?v=1781069482\" alt=\"ZWO FF110 APO four-element air-spaced apochromatic optical design\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-optical-path-diagram.webp?v=1781069482\" alt=\"ZWO FF110 APO optical path diagram showing ED glass element position\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eOptical layout\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eThe light path, \u003cspan class=\"zw-mute\"\u003eend to end.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe optical layout delivers a corrected, flat field at the sensor with no additional optics in the imaging train. What leaves the objective arrives at your camera, flat.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFull-frame ready\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e44 mm \u003cspan class=\"zw-mute\"\u003eimage circle.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eFull-frame sensors are covered corner to corner with sharp star fields and consistent illumination, and smaller sensors sit comfortably inside the sweet spot.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-44mm-image-circle.webp?v=1781069483\" alt=\"ZWO FF110 APO 44mm image circle with full-frame camera support\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-focus-adjustment.webp?v=1781069482\" alt=\"ZWO FF110 APO coarse and fine focus adjustment\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eCritical focus\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eCoarse and fine, \u003cspan class=\"zw-mute\"\u003e1:10.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe rigid 3″ rack-and-pinion focuser moves heavy imaging trains smoothly, and the 1:10 fine knob gives you the resolution to land exact focus on a star.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eFraming\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e360° \u003cspan class=\"zw-mute\"\u003eof rotation.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eA built-in rotator at the rear lets you set the camera angle for perfect framing without unthreading anything or disturbing focus.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-camera-rotator.webp?v=1781069482\" alt=\"ZWO FF110 APO built-in 360 degree camera rotator and 1:10 focuser\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-rings-dew-shield.webp?v=1781069482\" alt=\"ZWO FF110 APO quick-release mounting rings and retractable dew shield\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eField-ready build\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003eQuick-release rings. \u003cspan class=\"zw-mute\"\u003eRetractable dew shield.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eThe mounting rings detach in seconds for fast setup and teardown, and the dew shield slides back to shorten the tube for transport. CNC machining and an internal anti-reflection coating keep contrast high.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eIn the box\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003ePhotography \u003cspan class=\"zw-mute\"\u003eextension tube.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eA photography extension tube with a 2″ filter thread is included, plus M48×0.75 and M54×0.75 rear adapters, connecting cameras, filters and accessories cleanly out of the box.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-extension-tube.webp?v=1781069482\" alt=\"ZWO FF110 APO photography extension tube with 2 inch filter thread\" loading=\"lazy\"\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-split-stack\"\u003e \u003cdiv class=\"zw-split\"\u003e \u003cimg class=\"zw-split-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-refractor-front-objective-desc.webp?v=1781052128\" alt=\"ZWO FF110 APO 110mm flat-field apochromatic refractor showing objective lens\" loading=\"lazy\"\u003e \u003cdiv class=\"zw-split-text\"\u003e \u003cdiv class=\"zw-eyebrow\"\u003eAperture and reach\u003c\/div\u003e \u003ch2 class=\"zw-h2\"\u003e110 mm of light grasp, \u003cspan class=\"zw-mute\"\u003e766 mm of reach.\u003c\/span\u003e\n\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003eWith more aperture than the FF70 and FF90, the FF110 APO pulls in significantly more light than its smaller siblings, while the 766 mm focal length frames smaller targets more tightly. The optical tube weighs 5.74 kg, or 6.76 kg with the handle, mounting rings and dovetail plate fitted.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-cinema zw-on-dark\"\u003e \u003cdiv class=\"zw-cinema-cap\"\u003e \u003cspan class=\"zw-eyebrow\"\u003eFlexible connectivity\u003c\/span\u003e \u003ch2 class=\"zw-h2 zw-grad\"\u003eOne telescope. Three configurations.\u003c\/h2\u003e \u003cp class=\"zw-body\"\u003ePair the FF110 APO with ZWO ASI astronomy cameras, attach a DSLR or mirrorless body, or drop in a diagonal and eyepiece for visual observing. Focus is reached within a back focus range of 42–73 mm, measured from the M54–M48 interface shoulder. Visual accessories are available separately.\u003c\/p\u003e \u003c\/div\u003e \u003cimg class=\"zw-cinema-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-connectivity-configurations.webp?v=1781052128\" alt=\"ZWO FF110 APO configurations for astrophotography cameras, DSLR and mirrorless cameras, and visual observation\" loading=\"lazy\"\u003e \u003c\/section\u003e \u003csection class=\"zw-section\" id=\"zw-highlights\"\u003e \u003cdiv class=\"zw-specs-head\"\u003e \u003ch2 class=\"zw-h2\"\u003eEvery detail, \u003cspan class=\"zw-mute\"\u003econsidered.\u003c\/span\u003e\n\u003c\/h2\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlights\"\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eFour-element, fully air-spaced apochromatic design with one ED glass element.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eNative flat-field design, no separate field flattener or spacing adjustments required.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003e44 mm image circle with full-frame sensor support and edge-to-edge sharpness.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003e3″ rack-and-pinion focuser with 1:10 coarse and fine adjustment.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eBuilt-in 360° rotator for precise camera angle adjustment.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eRetractable dew shield with internal anti-reflection coating for higher contrast.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003eQuick-release mounting rings for fast setup and teardown.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"zw-highlight-item\"\u003e \u003csvg class=\"zw-tick\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003cp class=\"zw-body\"\u003ePhotography extension tube with 2″ filter thread plus M48×0.75 and M54×0.75 rear adapters included.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper\" id=\"zw-specs\"\u003e \u003cdiv class=\"zw-specs-head\"\u003e \u003ch2 class=\"zw-h2\"\u003eSpecifications.\u003c\/h2\u003e \u003c\/div\u003e \u003cdiv class=\"zw-specs\"\u003e \u003cdiv class=\"zw-specs-cat\"\u003eOptics\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eEffective aperture\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e110 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e766 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal ratio\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003ef\/7.0\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObjective type\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eFour-element air-spaced APO (including one ED element)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e44 mm\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eIntegrated field flattener design\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eFocuser and rotation\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocuser\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e3″ rack-and-pinion, 1:10 coarse and fine adjustment\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eCamera rotator\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eBuilt-in, 360°\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eBack focus\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eBack focus range\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e42–73 mm, measured from the M54–M48 interface shoulder\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eMaximum rear connection length (focuser retracted)\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImaging mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e73 mm (from the M48×0.75 male thread)\u003cbr\u003e91 mm (from the M54×0.75 male thread)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObservation mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e132 mm (from the 1.25″ eyepiece holder)\u003cbr\u003e142 mm (from the 2″ eyepiece holder)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eMinimum rear connection length (focuser retracted)\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImaging mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e42 mm (from M48×0.75 male thread)\u003cbr\u003e60 mm (from M54×0.75 male thread)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObservation mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e101 mm (from 1.25″ eyepiece holder)\u003cbr\u003e111 mm (from 2″ eyepiece holder)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eDimensions and weight\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eOverall length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e664 mm (1.25″ interface retracted)\u003cbr\u003e728 mm (photography extension tube retracted)\u003cbr\u003e751 mm (1.25″ interface, dew shield extended)\u003cbr\u003e815 mm (photography extension tube, dew shield extended)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eTelescope body weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e5.74 kg\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eStandard configuration weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e6.76 kg (including handle, mounting rings and dovetail plate)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eInterfaces\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eRear interfaces\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eM78×1 – 55 mm extension adapter\u003cbr\u003eM78×1 – M54×0.75\u003cbr\u003eM54×0.75 – M54×0.75\u003cbr\u003eM54×0.75 – M48×0.75 (built-in M48×0.75 filter thread)\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-cat\"\u003eIn the box\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFF110 APO optical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eWith handle, mounting rings and dovetail plate\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003ePhotography extension tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eWith 2″ filter thread, M48×0.75 and M54×0.75 rear adapters\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eDocumentation\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eUser manual, inspection sheet, warranty card\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"zw-section zw-paper zw-closing\"\u003e \u003ch2 class=\"zw-h2\"\u003eBuilt to last a lifetime.\u003c\/h2\u003e \u003cdiv class=\"zw-perks\"\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eAustralian warranty\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFull local cover\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eShips from Sydney\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom local stock\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eExpert advice\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom working astronomers\u003c\/div\u003e\n\u003c\/div\u003e \u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003e40+ years\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eIn Australian astronomy\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003c\/div\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45120698875973,"sku":"ZWO FF110-APO","price":2499.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff110-apo-refractor-side.webp?v=1781051980"},{"product_id":"zwo-ff131-apo-flat-field-131mm-apochromatic-refractor","title":"ZWO FF131 APO Flat-Field 131mm Apochromatic Refractor","description":"\u003cstyle\u003e .zw-page { --black: #000000; --ink: #1D1D1F; --paper: #F5F5F7; --white: #FFFFFF; --mute: #86868B; --line: #D2D2D7; --link: #0066CC; --accent: #C6302B; --radius: 22px; --radius-lg: 28px; font-family: -apple-system, BlinkMacSystemFont, \"SF Pro Display\", \"SF Pro\", \"Helvetica Neue\", Helvetica, Arial, sans-serif; font-weight: 400; color: var(--ink); background: var(--white); line-height: 1.47; letter-spacing: -0.003em; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; } .zw-page img { max-width: 100%; height: auto; } .zw-page .zw-section { padding: 120px 22px; } @media (max-width: 640px) { .zw-page .zw-section { padding: 80px 22px; } } .zw-page .zw-on-dark { background: var(--black); color: var(--white); } .zw-page .zw-paper { background: var(--paper); } .zw-page .zw-hero-h2 { font-size: clamp(60px, 9vw, 112px); font-weight: 600; line-height: 1.04; letter-spacing: -0.025em; color: var(--ink); } .zw-page .zw-h2 { font-size: clamp(40px, 5.5vw, 72px); font-weight: 600; line-height: 1.07; letter-spacing: -0.022em; color: var(--ink); } .zw-page .zw-lead { font-size: clamp(19px, 1.6vw, 24px); letter-spacing: -0.009em; color: var(--ink); } .zw-page .zw-body { font-size: 17px; letter-spacing: 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flex; gap: 28px; justify-content: center; align-items: center; margin-top: 36px; flex-wrap: wrap; } @media (max-width: 640px) { .zw-page .zw-hero-ctas { flex-direction: column; gap: 8px; } } .zw-page .zw-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto; } .zw-page .zw-stat-num { font-size: clamp(32px, 3.6vw, 52px); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; color: var(--ink); white-space: nowrap; } .zw-page .zw-stat-lbl { font-size: 15px; color: var(--mute); } .zw-page .zw-stat-cap { font-size: 13px; color: var(--mute); margin-top: 4px; } @media (max-width: 1024px) { .zw-page .zw-stats { grid-template-columns: repeat(2, 1fr); } } @media (max-width: 640px) { .zw-page .zw-stat-num { font-size: 30px; } } @media (max-width: 380px) { .zw-page .zw-stat-num { font-size: 26px; } } .zw-page .zw-pullquote { text-align: center; } .zw-page .zw-pullquote p { font-size: clamp(28px, 3.4vw, 48px); font-weight: 600; 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grid-column: span 3; } .zw-page .zw-span-4 { grid-column: span 4; min-height: 380px; } @media (max-width: 1024px) { .zw-page .zw-bento { grid-template-columns: repeat(2, 1fr); } .zw-page .zw-span-2, .zw-page .zw-span-3, .zw-page .zw-span-4 { grid-column: span 1; } } @media (max-width: 640px) { .zw-page .zw-bento { display: flex; grid-template-columns: none; gap: 14px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none; margin: 0 -22px; padding: 4px 22px; scroll-padding-left: 22px; } .zw-page .zw-bento::-webkit-scrollbar { display: none; } .zw-page .zw-bento-card, .zw-page .zw-span-2, .zw-page .zw-span-3, .zw-page .zw-span-4 { grid-column: auto; flex: 0 0 85%; scroll-snap-align: start; min-height: 300px; padding: 28px; } } .zw-page .zw-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: 1100px; margin: 0 auto; } .zw-page .zw-split-img { 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font-size: 17px; line-height: 1.5; } .zw-page .zw-specs-value { color: var(--ink); font-weight: 400; font-size: 17px; line-height: 1.5; overflow-wrap: anywhere; } .zw-page .zw-specs-cat { padding: 36px 0 14px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink); } @media (max-width: 640px) { .zw-page .zw-specs-row { font-size: 15px; padding: 14px 0; } } @media (max-width: 380px) { .zw-page .zw-specs-row { font-size: 13.5px; padding: 10px 0; } } .zw-page .zw-specs-head { text-align: center; max-width: 820px; margin: 0 auto 24px; } .zw-page .zw-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 48px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-highlight-item { display: flex; gap: 14px; align-items: flex-start; } .zw-page .zw-tick { width: 24px; height: 24px; flex-shrink: 0; color: var(--ink); margin-top: 2px; } @media (max-width: 700px) { .zw-page .zw-highlights { grid-template-columns: 1fr; } } .zw-page .zw-link { color: var(--link); font-size: 17px; display: inline-flex; align-items: center; gap: 4px; padding: 10px 4px; min-height: 44px; text-decoration: none; } .zw-page .zw-link svg { width: 18px; height: 18px; } .zw-page .zw-on-dark .zw-link { color: #2997FF; } .zw-page .zw-closing { text-align: center; } .zw-page .zw-closing h2 { max-width: 820px; margin: 0 auto 56px; } .zw-page .zw-perks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; } .zw-page .zw-perk-t { font-size: 17px; font-weight: 600; color: var(--ink); } .zw-page .zw-perk-s { font-size: 14px; color: var(--mute); margin-top: 4px; } @media (max-width: 1024px) { .zw-page .zw-perks { grid-template-columns: repeat(2, 1fr); } } \u003c\/style\u003e\n\u003cdiv class=\"zw-page\"\u003e\n\u003csection class=\"zw-section zw-on-dark zw-hero\"\u003e\n\u003cdiv class=\"zw-hero-inner\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eZWO Flat-Field APO Series\u003c\/div\u003e\n\u003ch2 class=\"zw-hero-h2\"\u003eFF131 APO. \u003cspan class=\"zw-mute\"\u003eFlat field, built in.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-lead\"\u003eA 131 mm f\/7.5 four-element apochromatic refractor with a native flat field and a 44 mm full-frame image circle. The flagship of the FF series, with 983 mm of focal length and serious light grasp for deep-sky imaging.\u003c\/p\u003e\n\u003cdiv class=\"zw-hero-ctas\"\u003e\n\u003ca class=\"zw-link\" href=\"#zw-features\"\u003eExplore the design \u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e \u003ca class=\"zw-link\" href=\"#zw-specs\"\u003eView specifications \u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.2\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpolyline points=\"9 6 15 12 9 18\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-paper\"\u003e\n\u003cdiv class=\"zw-stats\"\u003e\n\u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e131 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eaperture\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efour-element air-spaced APO\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e983 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003efocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003ef\/7.5\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e44 mm\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eimage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003efull-frame coverage\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-stat\"\u003e\n\u003cdiv class=\"zw-stat-num\"\u003e7.9 kg\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-lbl\"\u003eoptical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-stat-cap\"\u003e9.4 kg with rings and dovetail\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-cinema zw-on-dark\"\u003e\n\u003cdiv class=\"zw-cinema-cap\"\u003e\n\u003cspan class=\"zw-eyebrow\"\u003eZWO FF Series\u003c\/span\u003e\n\u003ch2 class=\"zw-h2 zw-grad\"\u003eDesigned as an astrograph first.\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eEvery FF series telescope is built around a native flat field, so the optics, focuser and rear interfaces all serve one goal: clean stars across the whole sensor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO flat-field apochromatic refractor banner\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-flat-field-banner.webp?v=1781069482\" class=\"zw-cinema-img\"\u003e\u003c\/section\u003e\n\u003csection class=\"zw-section zw-pullquote\"\u003e\n\u003cp\u003eAttach your camera, reach focus, start imaging. \u003cspan class=\"zw-mute\"\u003eNo flattener. No spacing maths.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection id=\"zw-features\" class=\"zw-section zw-on-dark\"\u003e\n\u003cdiv class=\"zw-bento\"\u003e\n\u003cdiv class=\"zw-bento-card zw-span-3\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eOptics\u003c\/div\u003e\n\u003ch3 class=\"zw-bento-h\"\u003eFour elements, fully air-spaced.\u003c\/h3\u003e\n\u003cp class=\"zw-body\"\u003eThe FF131 APO uses a four-element, fully air-spaced apochromatic design in which all four elements work together to form the image. One ED (extra-low dispersion) glass element reduces chromatic aberration for cleaner colour correction and sharper stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-bento-card zw-span-3\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eNative flat field\u003c\/div\u003e\n\u003ch3 class=\"zw-bento-h\"\u003eFlat to the edge. No flattener.\u003c\/h3\u003e\n\u003cp class=\"zw-body\"\u003eThe flat imaging field is generated by the optical design itself, so there is no field flattener to buy and no back focus calculations to get right. Once focus is achieved, you are ready to capture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-bento-card zw-span-3\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eFull-frame support\u003c\/div\u003e\n\u003ch3 class=\"zw-bento-h\"\u003e44 mm image circle.\u003c\/h3\u003e\n\u003cp class=\"zw-body\"\u003eA 44 mm corrected image circle fully covers full-frame sensors, with sharp star fields and consistent illumination from centre to corner. Smaller APS-C and dedicated astronomy sensors have generous headroom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-bento-card zw-span-3\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eFocusing\u003c\/div\u003e\n\u003ch3 class=\"zw-bento-h\"\u003e1:10 dual-speed control.\u003c\/h3\u003e\n\u003cp class=\"zw-body\"\u003eA rigid 3″ rack-and-pinion focuser offers precise control, and the 1:10 coarse and fine adjustment makes critical focus easy to hit. A built-in 360° rotator at the rear sets your framing without disturbing focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-bento-card zw-span-3\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eBuild\u003c\/div\u003e\n\u003ch3 class=\"zw-bento-h\"\u003eRetractable dew shield.\u003c\/h3\u003e\n\u003cp class=\"zw-body\"\u003eThe dew shield retracts to shorten the tube for packing and travel. Precision CNC machining, a high-quality painted finish and an internal anti-reflection coating keep stray light down and image contrast up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-bento-card zw-span-3\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eConnectivity\u003c\/div\u003e\n\u003ch3 class=\"zw-bento-h\"\u003eAdapters in the box.\u003c\/h3\u003e\n\u003cp class=\"zw-body\"\u003eA four-section photography extension tube with a 2″ filter thread is included, along with rear adapters in M48×0.75 and M54×0.75 standards. The quick-release mounting rings detach in seconds for fast setup and teardown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eQuadruplet optics\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003eFour elements. \u003cspan class=\"zw-mute\"\u003eOne flat field.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eAll four air-spaced elements work together to form the image, with one ED glass element controlling chromatic aberration for clean colour correction and tight, well-defined stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO four-element air-spaced apochromatic optical design\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-four-element-optical-design.webp?v=1781069482\" class=\"zw-split-img\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-split-stack\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO optical path diagram showing ED glass element position\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-optical-path-diagram.webp?v=1781069482\" class=\"zw-split-img\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eOptical layout\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003eThe light path, \u003cspan class=\"zw-mute\"\u003eend to end.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eThe optical layout delivers a corrected, flat field at the sensor with no additional optics in the imaging train. What leaves the objective arrives at your camera, flat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-split-stack\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eFull-frame ready\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003e44 mm \u003cspan class=\"zw-mute\"\u003eimage circle.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eFull-frame sensors are covered corner to corner with sharp star fields and consistent illumination, and smaller sensors sit comfortably inside the sweet spot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO 44mm image circle with full-frame camera support\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-44mm-image-circle.webp?v=1781069482\" class=\"zw-split-img\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-split-stack\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO coarse and fine focus adjustment\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-focus-adjustment.webp?v=1781069482\" class=\"zw-split-img\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eCritical focus\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003eCoarse and fine, \u003cspan class=\"zw-mute\"\u003e1:10.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eThe rigid 3″ rack-and-pinion focuser moves heavy imaging trains smoothly, and the 1:10 fine knob gives you the resolution to land exact focus on a star.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-split-stack\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eFraming\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003e360° \u003cspan class=\"zw-mute\"\u003eof rotation.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eA built-in rotator at the rear lets you set the camera angle for perfect framing without unthreading anything or disturbing focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO built-in 360 degree camera rotator and 1:10 focuser\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-camera-rotator.webp?v=1781069483\" class=\"zw-split-img\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-split-stack\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO quick-release mounting rings and retractable dew shield\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-rings-dew-shield.webp?v=1781069482\" class=\"zw-split-img\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eField-ready build\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003eQuick-release rings. \u003cspan class=\"zw-mute\"\u003eRetractable dew shield.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eThe mounting rings detach in seconds for fast setup and teardown, and the dew shield slides back to shorten the tube for transport. CNC machining and an internal anti-reflection coating keep contrast high.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-split-stack\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eIn the box\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003ePhotography \u003cspan class=\"zw-mute\"\u003eextension tube.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eA four-section photographic extension tube with a 2″ filter thread is included, plus M48×0.75 and M54×0.75 rear adapters, connecting cameras, filters and accessories cleanly out of the box.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO four-section photography extension tube with 2 inch filter thread\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-extension-tube.webp?v=1781069483\" class=\"zw-split-img\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-split-stack\"\u003e\n\u003cdiv class=\"zw-split\"\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO 131mm flat-field apochromatic refractor showing objective lens\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-refractor-front-objective-desc.webp?v=1781069482\" class=\"zw-split-img\"\u003e\n\u003cdiv class=\"zw-split-text\"\u003e\n\u003cdiv class=\"zw-eyebrow\"\u003eAperture and reach\u003c\/div\u003e\n\u003ch2 class=\"zw-h2\"\u003e131 mm of light grasp, \u003cspan class=\"zw-mute\"\u003e983 mm of reach.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003eThe flagship of the FF series pulls in the most light and resolves the finest detail of the range, and the 983 mm focal length frames smaller targets tightly. The optical tube weighs 7.9 kg, or 9.4 kg with the handle, mounting rings and dovetail plate fitted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-cinema zw-on-dark\"\u003e\n\u003cdiv class=\"zw-cinema-cap\"\u003e\n\u003cspan class=\"zw-eyebrow\"\u003eFlexible connectivity\u003c\/span\u003e\n\u003ch2 class=\"zw-h2 zw-grad\"\u003eOne telescope. Three configurations.\u003c\/h2\u003e\n\u003cp class=\"zw-body\"\u003ePair the FF131 APO with ZWO ASI astronomy cameras, attach a DSLR or mirrorless body, or drop in a diagonal and eyepiece for visual observing. Focus is reached within a back focus range of 42–73 mm, measured from the M54–M48 interface shoulder. Visual accessories are available separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg loading=\"lazy\" alt=\"ZWO FF131 APO configurations for astrophotography cameras, DSLR and mirrorless cameras, and visual observation\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-connectivity-configurations.webp?v=1781069483\" class=\"zw-cinema-img\"\u003e\u003c\/section\u003e\n\u003csection id=\"zw-highlights\" class=\"zw-section\"\u003e\n\u003cdiv class=\"zw-specs-head\"\u003e\n\u003ch2 class=\"zw-h2\"\u003eEvery detail, \u003cspan class=\"zw-mute\"\u003econsidered.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlights\"\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003eFour-element, fully air-spaced apochromatic design with one ED glass element.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003eNative flat-field design, no separate field flattener or spacing adjustments required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003e44 mm image circle with full-frame sensor support and edge-to-edge sharpness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003e3″ rack-and-pinion focuser with 1:10 coarse and fine adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003eBuilt-in 360° rotator for precise camera angle adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003eRetractable dew shield with internal anti-reflection coating for higher contrast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003eQuick-release mounting rings for fast setup and teardown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-highlight-item\"\u003e\n\u003csvg stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"2.4\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"zw-tick\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cp class=\"zw-body\"\u003eFour-section photography extension tube with 2″ filter thread plus M48×0.75 and M54×0.75 rear adapters included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection id=\"zw-specs\" class=\"zw-section zw-paper\"\u003e\n\u003cdiv class=\"zw-specs-head\"\u003e\n\u003ch2 class=\"zw-h2\"\u003eSpecifications.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs\"\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eOptics\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eEffective aperture\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e131 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e983 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocal ratio\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003ef\/7.5\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObjective type\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eFour-element air-spaced APO (including one ED element)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImage circle\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e44 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eIntegrated field flattener design\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eFocuser and rotation\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFocuser\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e3″ rack-and-pinion, 1:10 coarse and fine adjustment\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eCamera rotator\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eBuilt-in, 360°\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eBack focus\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eBack focus range\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e42–73 mm, measured from the M54–M48 interface shoulder\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eMaximum rear connection length (focuser retracted)\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImaging mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e73 mm (from the M48×0.75 male thread)\u003cbr\u003e91 mm (from the M54×0.75 male thread)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObservation mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e131 mm (from the 1.25″ interface)\u003cbr\u003e142 mm (from the 2″ interface)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eMinimum rear connection length (focuser retracted)\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eImaging mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e42 mm (from M48×0.75 male thread)\u003cbr\u003e60 mm (from M54×0.75 male thread)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eObservation mode\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e100 mm (from 1.25″ interface)\u003cbr\u003e111 mm (from 2″ interface)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eDimensions and weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eOverall length\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e878 mm (1.25″ interface retracted)\u003cbr\u003e941 mm (photography extension tube retracted)\u003cbr\u003e963 mm (1.25″ interface, dew shield extended)\u003cbr\u003e1026 mm (photography extension tube, dew shield extended)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eTelescope body weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e7.9 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eStandard configuration weight\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003e9.4 kg (including handle, mounting rings and dovetail plate)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eInterfaces\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eRear interfaces\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eM78×1 – 55 mm extension adapter\u003cbr\u003eM78×1 – M54×0.75\u003cbr\u003eM54×0.75 – M54×0.75\u003cbr\u003eM54×0.75 – M48×0.75 (built-in M48×0.75 filter thread)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-cat\"\u003eIn the box\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eFF131 APO optical tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eWith handle, mounting rings and dovetail plate\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003ePhotography extension tube\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eFour-section, with 2″ filter thread, M48×0.75 and M54×0.75 rear adapters\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-row\"\u003e\n\u003cdiv class=\"zw-specs-label\"\u003eDocumentation\u003c\/div\u003e\n\u003cdiv class=\"zw-specs-value\"\u003eUser manual, inspection sheet, warranty card\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"zw-section zw-paper zw-closing\"\u003e\n\u003ch2 class=\"zw-h2\"\u003eBuilt to last a lifetime.\u003c\/h2\u003e\n\u003cdiv class=\"zw-perks\"\u003e\n\u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eAustralian warranty\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFull local cover\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eShips from Sydney\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom local stock\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003eExpert advice\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eFrom working astronomers\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"zw-perk\"\u003e\n\u003cdiv class=\"zw-perk-t\"\u003e40+ years\u003c\/div\u003e\n\u003cdiv class=\"zw-perk-s\"\u003eIn Australian astronomy\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45120715653189,"sku":"ZWO FF131-APO","price":3349.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/zwo-ff131-apo-refractor-side.webp?v=1781069404"}],"url":"https:\/\/bintel.com.au\/collections\/premium-refractors.oembed","provider":"The Binocular and Telescope Shop","version":"1.0","type":"link"}