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Celestron 1.25" Moon Filter The Moon has the distinction of being the most often viewed celestial object through backyard telescopes. It is undoubt...

Astrozap Meade LightBridge Light Shroud The Astrozap Light Bridge Shroud is made from light weight breathable black fabric. Two ABS bands prevent s...

Astrozap Artificial Star The artificial star is designed to provide a steady, stable reference for star collimation to be used in lieu of an actual...

Baader Morpheus 17.5mm 76° Even if a certain movie-classic hints otherwise – the Morpheus® are absolutely real. Featuring a true 76° field of view,...

Baader IR-Pass Filter (685 nm) Baader IR-Pass Filter HWB 685nm Reduces the effect of seeing resulting in a much sharper image. Ideal for imaging a...

Baader Fringe Killer Filter Achromat owners rejoice! Baader Planetarium has taken minus violet filtration to a new level. The Fringe Killer brings ...

Antlia OAG and Filter Drawer Assembly OAG means Off-Axis Guider. Antlia OAG and filter drawer assembly is an innovative accessory that integrates...

Antares SCT Camera Adapter M42 30mm TAS threads directly onto the back of your Schmidt-Cassegrain and outputs M42 T-thread with a 30mm extension.  ...

Antares SCT Adapter 2" Tired of threading your Schmidt-Cassegrain accessories on and off? Switch to a smooth 2" barrel with a T2; it's quicker and ...

Antares Finderscope Bracket for Laser, 6-Point GLFB is a 6-point bracket that can be used for any standard green laser pointer. For use with most d...

Antares W6S2 The 1.25" Antares W6S2 6.0mm 74° has (8) elements, 74 degree AFOV, 12.5mm eye relief and negative achromat compensation, eliminating s...

Antares 2-Point Finderscope Bracket 50mm RBA is 2-point bracket that can be used for the VS60 or any of our finderscopes. Adjustment is with 2 scre...

Antares 1.25" Cheshire Collimator Align your optics with a prescision Antares 1.25" Cheshire Collimator. An absolute must for Aspheric system perfo...

Tele Vue Panoptic 27mm Housed in a 2″ barrel like the 35mm, the Tele Vue Panoptic 27mm is lighter & smaller. It’s perfect for any telescope s...

Tele Vue Nagler 9mm Type 6 The 7-element, Tele Vue Nagler Type 6 design is based on the original patented Nagler design. This new 7-element desig...

Tele Vue Nagler 13mm Type 6 The 7-element, Tele Vue Nagler Type 6 design is based on the original patented Nagler design. This new 7-element desig...

Tele Vue 3.0x 1.25" Barlow The Tele Vue 3.0x 1.25″ Barlow features include parfocalization, 1¼” filter threads, captive lock screws that won’t fall...

Tele Vue 2.0x 2" PowerMate T-Ring Adapter The Tele Vue 2.0x 2″ PowerMate T-Ring Adapter allows imaging through 2.0x 2″ PowerMate lens assemblies. T...

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

Howie Glatter TuBlug 2" Newtonian Collimator Use the Howie Glatter TuBlug 2" with a regular laser collimator in single beam mode to perform barlowe...

Farpoint Bahtinov Mask for Meade Farpoint Bahtinov Focus Mask is an ingenious new way to easily focus a telescope. Pavel Bahtinov, a Russian amateu...

Celestron X-CEL LX 2.3mm Eyepiece Celestron X-Cel LX series eyepieces offer a 60º apparent field of view, perfect for the Moon, the planets, and...

Celestron UpClose G2 10x50 Porro Box Binoculars Get up close to the action with UpClose G2 binoculars. Pack these binoculars along for vacations, h...

Celestron Universal Piggyback Mount The Celestron Universal Piggyback Mount is a simple astronomical accessory that can help you produce stunning p...

Chroma 3nm OIII Filter The Chroma 3nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Celestron Reducer Lens .7x - EdgeHD 925 Celestron’s new EdgeHD 925 Reducer Lens .7x  feature a custom 4-element optical design engineered to mainta...

Celestron NexStar+ Hand Control USB - EQ The Celestron NexStar+ EQ Hand Control is the standard computer accessory on all current equatorially moun...

Celestron NexStar RS-232 Cable The Celestron RS-232 Cable is used to connect your PC or computer to NexStar computerized telescopes via a port in t...

Celestron Origin Filter Drawer Kit MADE FOR CELESTRON ORIGIN: Identical to the removable filter drawer included with every Origin telescope. Repl...