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  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...

The New and Improved ZWO EAF Precision Focusing at Your Fingertips The new generation of ZWO EAF continues the brand’s signature minimalist design,...

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

  The ASI2600MC/MM Duo combines imaging and guiding sensors in one compact body. The main sensor is the Sony IMX571 coming with a native 16-bit AD...

    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...

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 ...

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...

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...

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

This wide M48-threaded T-ring will fit Canon RF-mount mirrorless cameras.  It is a "T-minus" style ring that is only 10mm thick.  This allows it to...

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...

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...

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...

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

This bracket provides a solid, easy attachment of the ZWO EAF autofocus motor to a Skywatcher Quattro Newtonian focuser.  There are two versions of...

T-thread adapter for autofocus Canon EOS EF cameras.

Sorbothane gasket used in HyperStar conversion kit for Celestron 11" SCTs. Useful for retrofitting a factory-installed Fastar secondary assembly so...

Use this adapter to attach accessories with standard M48 filter threads to a 2" focuser. The adapter has male M48 threads on one side, and a male 2...

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

Sorbothane gasket used in HyperStar conversion kit for Celestron 8" SCTs. Useful for retrofitting a factory-installed Fastar secondary assembly so ...