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Looking to permanently mount your CGEM telescope? You'll want this adapter kit to easily attach the CGEM equatorial mount to a permanent pier. The ...

Virtual View - The Visual Back with a Twist! Have you ever been to a star party with both kids and adults and wished you had an easy way to adjust ...

This kit allows a non-HyperStar-compatible SCT to be converted into a compatible telescope. The kit includes three components that replace the orig...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

Dovetail plate adapter. Works with both D and V series plates. Mounts to existing rings or telescopes. For use with dovetail plate. Once mounted, n...

This adapter adds 4.2mm to your Starizona Filter Slider making it 21.7mm in total length, compensating for the .7mm that a standard Filter adds to ...

Use this dual finder bracket to mount multiple items to a single finder shoe.  Perfect for a small guidescope like the ZWO Mini 30mm along side a Z...

12-volt DC power cord to connect Celestron Advanced Series, AVX, CPC, CGE, and NexStar telescopes to battery supply. Cigarette-lighter style plug.

OAG-L has a large prism size of 12*12mm, far bigger than M68 OAG. The bigger clear aperture brings wider field of view in guiding. It is easy to us...

  Omni eyepieces offer a quality 4-element Plössl optical design at a super affordable price Rubber eyecups provide comfort and increase contrast....

Variable polarizing filters are one of the best filters you can have for a telescope.  They are used to cut down the glare from the moon and bright...

The SkyWatcher Esprit 120 and 150 require the Starizona ApexED 0.65x reducer to be placed farther back from the optical tube and when used with our...

    L-Para (L-Parallels) is a dual narrowband 10nm light pollution filter. The FWHM of L-Para is 10nm for OIII (500.7nm) and H-Alpha (656.3nm) res...

Adapter for HyperStar 8 or 6 when using a ZWO Filter Drawer (M42) and a ZWO Cooled Camera. 

This PETG 3D printed altitude knob replaces the original Sky-Watcher EQ6 altitude knob with a larger easier to grab alternative.  To install simply...

Fits 8” Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes Helps prevent dew formation on the Schmidt corrector lens Prevents off-axis glare fr...

The iconic 8-inch Schmidt-Cassegrain has been known for decades as Celestron’s most beloved telescope. Now beginner to intermediate astroimagers ca...

T-thread adapter for autofocus Canon EOS EF cameras.