{"product_id":"optolong-l-synergy-filter","title":"Optolong L-Synergy filter 2 inch","description":"\u003ch3 data-start=\"87\" data-end=\"136\"\u003e\u003cstrong data-start=\"91\" data-end=\"136\"\u003eOptolong L-Synergy Dual Narrowband Filter\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"138\" data-end=\"573\"\u003eThe \u003cstrong data-start=\"142\" data-end=\"164\"\u003eOptolong L-Synergy\u003c\/strong\u003e filter is designed for astrophotographers using DSLR, color CMOS, or CCD cameras who want to achieve stunning narrowband results \u003cem data-start=\"294\" data-end=\"303\"\u003ewithout\u003c\/em\u003e switching to a monochrome system. By pairing traditional dual-narrowband (Ha \u0026amp; OIII) concepts with a unique \u003cstrong data-start=\"412\" data-end=\"440\"\u003e“Ha \u0026amp; OIII + SII \u0026amp; OIII”\u003c\/strong\u003e approach, L-Synergy overcomes the usual limitations of colour cameras and makes Hubble-Palette–style imaging accessible to everyone.\u003c\/p\u003e\n\u003cp data-start=\"575\" data-end=\"851\"\u003eWith this filter, you can produce deep, high-contrast SHO-like images of emission nebulae using your existing colour camera—no additional SHO filters or monochrome upgrade required. It’s an affordable way to achieve professional-level results even under bright suburban skies.\u003c\/p\u003e\n\u003chr data-start=\"853\" data-end=\"856\"\u003e\n\u003ch3 data-start=\"858\" data-end=\"898\"\u003e\u003cstrong data-start=\"862\" data-end=\"898\"\u003eWhy Choose the L-Synergy Filter?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"900\" data-end=\"1173\"\u003eThe L-Synergy is a \u003cstrong data-start=\"919\" data-end=\"950\"\u003edual 7 nm narrowband filter\u003c\/strong\u003e engineered for telescopes with an \u003cstrong data-start=\"985\" data-end=\"1015\"\u003ef\/ratio of f\/3.3 or slower\u003c\/strong\u003e. Years of optical refinement have produced a design that suppresses bright star halos while delivering extremely high transmission in the key emission bands.\u003c\/p\u003e\n\u003cul data-start=\"1175\" data-end=\"1772\"\u003e\n\u003cli data-start=\"1175\" data-end=\"1354\"\u003e\n\u003cp data-start=\"1177\" data-end=\"1354\"\u003e\u003cstrong data-start=\"1177\" data-end=\"1213\"\u003eSelective Narrowband Performance\u003c\/strong\u003e\u003cbr data-start=\"1213\" data-end=\"1216\"\u003eTransmits only the \u003cstrong data-start=\"1237\" data-end=\"1256\"\u003eOIII (500.7 nm)\u003c\/strong\u003e and \u003cstrong data-start=\"1261\" data-end=\"1279\"\u003eSII (672.4 nm)\u003c\/strong\u003e nebula emission lines, rejecting unwanted wavelengths and light pollution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1356\" data-end=\"1589\"\u003e\n\u003cp data-start=\"1358\" data-end=\"1589\"\u003e\u003cstrong data-start=\"1358\" data-end=\"1402\"\u003eExceptional Contrast and Signal-to-Noise\u003c\/strong\u003e\u003cbr data-start=\"1402\" data-end=\"1405\"\u003eBy isolating the oxygen and sulfur signals, the filter produces a darker background sky and dramatically improves contrast—especially valuable in heavily light-polluted environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1591\" data-end=\"1772\"\u003e\n\u003cp data-start=\"1593\" data-end=\"1772\"\u003e\u003cstrong data-start=\"1593\" data-end=\"1622\"\u003eLight-Pollution Resistant\u003c\/strong\u003e\u003cbr data-start=\"1622\" data-end=\"1625\"\u003eFilters out the vast majority of urban skyglow, allowing astrophotographers to capture clean, detailed nebula structure from almost any location.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1774\" data-end=\"1777\"\u003e\n\u003ch3 data-start=\"1779\" data-end=\"1801\"\u003e\u003cstrong data-start=\"1783\" data-end=\"1801\"\u003eOptical Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1803\" data-end=\"2087\"\u003eL-Synergy is precision-engineered based on the spectral behaviour of emission nebulae and common light-pollution sources. Its carefully tuned passbands maintain consistently high transmission in both SII and OIII, ensuring accurate colour capture and high-quality data for processing.\u003c\/p\u003e\n\u003cp data-start=\"2089\" data-end=\"2302\"\u003eThe result: a powerful, easy-to-use narrowband solution that unlocks deep-sky imaging performance far beyond what typical colour cameras can achieve, giving more astrophotographers access to true SHO-style imaging.\u003c\/p\u003e\n\u003cp data-start=\"2089\" data-end=\"2302\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/lsyngy.jpg?v=1763165802\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":43990764322885,"sku":"OPT-LSYN","price":499.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/b6add4f4424b483367d04642ea35c4bd.jpg?v=1763166226","url":"https:\/\/bintel.com.au\/zh\/products\/optolong-l-synergy-filter","provider":"The Binocular and Telescope Shop","version":"1.0","type":"link"}