Newly Added Products

Normally available for pickup or shipping approx. 2-3 business days from your order Celestron CPC 925 GPS (XLT) Computerized Telescope General Feat...

The Bintel Projection lenses in 32mm and 40mm focal lengths are useful if you can't get your telescope to reach focus with a conventional camepter ...

Losmandy Vixen Universal Plate 7 is designed to work with any mount that uses the 46mm Vixen Style Saddle. The dovetail has a series of 12 threaded...

SkyWatcher Esprit 100 ED Super APO Triplet Designed with the discerning astrophotographer in mind, the SkyWatcher Esprit 100 refractor delivers pre...

A low-power eyepiece, good for open clusters, nebulae and galaxy clusters. Includes a soft rubber eyeguard and an M42 T-thread for projection photo...

Losmandy Polar Scope Polar Scope Finder. For GM 8, G-9 and G-11 mounts and the StarLapse system. Works in Northern or Southern Hemispheres. Direct ...

Losmandy Altitude Lock Knob Set Machined aluminum knobs with stainless steel threaded shafts. Replaces Allen Key bolts for altitude adjustment with...

Solar Astronomy Handbook This book was conceived and written by a group of German amateur observers. Each section was the responsibility of the ama...

Celestron NexStar RS 232 Cable The Celestron RS-232 Cable connects your computerized telescope to a laptop or PC for control via various planetariu...

A revised edition of a classic text, A Dictionary of Star Names will help you navigate the origin and meaning of star names.

Fine collimation ring for GSO Ritchey Chretien focusers Allows very precise collimation of GSO RC telescopes and takes up only 15mm of back focus. ...

Losmandy SVM-HT Servo Motor Gemini High Torque Servo Motor and Encoder Replacement for Maxon Motors Manufacturer part number: SVM-HT

To most accurately test and collimate telescopes, reflectors, catadioptric, and refractors, you must perform a star test. However, to do so, you ne...

Manfrotto 190X3 128RC Tripod This tripod and fluid pan-head have been tried and tested over the years. The 128RC fluid head allows silky smooth til...

Bintel GSO RCA Focuser Collimation Ring Fine collimation ring for GSO Ritchey Chretien focusers Allows very precise collimation of GSO RC telescope...

Orion Moon Map 260 | Orion Telescopes and Binoculars Orion Moon Map 260 | Orion Telescopes and Binoculars The meticulously detailed Moon Map 260 i...

The affordable Orion Saturn Map & Observing Guide is a wonderful tool for backyard astronomers of all skill levels who want to enrich their obs...

The new Astronomik Deep-Sky RGB filters are the result of a long and detailed process of research and development. Astronomik have created their mo...

This 10 map atlas of the night sky is drawn by Wil Tirion and is based upon the Hipparcos and Tycho Catalogs with a stellar limiting magnitude of 6...

The largest planet in our solar system is a joy to explore with a telescope, and the Orion Jupiter Map & Observing Guide is loaded with educati...

A Dream Come True Today digital imagers require mounts with tracking accuracy up to 60 times better than that needed for visual observing. Erratic ...

Losmandy TKS Tripod Knob Set Machined aluminum knobs with stainless steel threaded shafts. For mounting equatorial head to tripod without tools. Fi...

Losmandy GM8 G If you are looking for an equatorial mount for imaging for your 8" SCT , Refractor or up to an 8" Newtonian, with smooth operation,...

A secondary mirror (or secondary) is the second deflecting or focusing mirror element in a reflecting telescope. Light gathered by the primary mirr...