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

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...

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.

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

This adapter will step M48 threads up to M54.  It has M48 female on the inside and M54 male on the outside.  It does not add any length to the opti...

The RASA 8 Filter Holder allows the use of 2" filters on Celestron's RASA 8" telescope with a camera using M54 threads and having a 17.5mm backfocu...

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 ...

20mm long adapter from female M48x0.75 to male M48x0.75 threads.  This can be useful to get 55mm backfocus with a ZWO cooled camera (17.5mm) and St...

M54 male to M54 male adapter.  Adds 1mm to backfocus.  Useful for attaching a ZWO 6200 camera to the ZWO 2" filter wheel without bolting the wheel ...

This is the standard stainless steel counterweight for use with HyperStar lenses on fork-mounted telescopes (also known as Alt/Az mounts).  The wei...

This version of the Counterweight Set will only work with the CPC-1100. For other Celestron 11" SCTs, click here. Accurate balance is necessary for...

The only purpose of this adapter is to replace the top of an already existing HyperStar adapter to change its thread type.  An example of this is i...

20mm adapter that connects Starizona's Filter Slider to the Stock RASA 11 adapter for ZWO Cooled cameras. Yay!

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

If you are loading extra equipment on your Celestron Advanced VX Equatorial Mount, you may need additional counterweights. This anodized counterwei...

About the book from the Author, David Levy: "It is a book I have been working on for almost a decade, and it is the story of my life. The book begi...

Sorbothane gasket used in HyperStar conversion kit for Celestron 9.25" SCTs. Useful for retrofitting a factory-installed Fastar secondary assembly ...

Sun Catcher Solar Eclipse Glasses (4-Pack Assortment) Watch the Total Eclipse Event on April 8th, 2024 in safety, comfort, and style. Made with an...