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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...

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...

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

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

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...

ZWO ASI220MM Mini Monochrome Camera    

ZWO Atmospheric Dispersion Corrector is used to reduce the effect of atmospheric dispersion on lunar and planetary images The prisms are the cente...

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 2" mounted APT-T dual band 5nm Ha & OIII filter is optimized to work with imaging systems slower than f/4. For faster optics from f/2.2 ...

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...

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

ASI6200MC Pro All Pro cameras (with cooler) need to be connected to an external 11-14v power supply to image. You can also use ASIAIR to power the ...

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...

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...

Rotate your camera with ease and compose your shots with one click -ZWO CAA- ZWO CAA (Camera Angle Adjuster) is ZWO’s new camera rotator, designed ...

50 mm apochromatic refractor with matched lens assembly with one ED element 242 mm focal length (f/4.8) 1.25” Helical focuser Finder stalk Vixen-s...

7.5mm M42 to M42 spacer

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...

Quality X-Cel LX 2x Barlow doubles the magnification of any 1.25” eyepiece 3-element apochromatic, fully multi-coated optics offer up bright, shar...

Add an EAF to your Sky-Watcher HAC125 DX!  This kit includes a pulley that fits on the focus knob on the back of the HAC125 and a belt to drive it ...

Attach a variety of accessories to your Advanced CG-5 or Advanced VX mount with this Universal Mounting Plate. Several different mounting holes to ...