Products

These knobs make it easy to collimate your Celestron C11 for optimum image quality. You don't need any tools, so you never have to worry about losi...

These no-tool collimation knobs fit late model aluminum optical tube and most carbon These knobs make it easy to collimate your non-Edge HD Celestr...

These knobs make it easy to collimate your Celestron C14 for optimum image quality. You don't need any tools, so you never have to worry about losi...

These knobs make it easy to collimate your Celestron C14 for optimum image quality. You don't need any tools, so you never have to worry about losi...

These knobs make it easy to collimate your older three-screw secondary Meade 16" LX200 Schmidt-Cassegrain for optimum image quality. Current 16" Me...

These knobs make it easy to collimate your Celestron C9¼ CPC 925 for optimum image quality. You don't need any tools, so you never have to worry ab...

These knobs make it easy to collimate the primary mirror of your Meade 12" LightBridge Dobsonian reflector for optimum image quality. You don't nee...

This Product Has Been Discontinued And This Is Here for Informational Purposes Only. It Is No Longer For  Sale. This 8-power Bushnell Natureview Bi...

This 17.5" Celestron dovetail plate attaches to the underside of a Celestron 11" Schmidt-Cassegrain optical tube, bolting to the tube's front and r...

This "universal" prime focus adapter drops into the 1.25" focusers of any reflector or refractor telescope using 1.25" visual accessories. It is us...

The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture the same...

This Celestron EdgeHD 0.7x focal reducer turns your 11" f/10 EdgeHD telescope into a full f-stop faster f/7 scope, increasing your photographic fie...

This Celestron EdgeHD 0.7x focal reducer makes your 14" f/11 EdgeHD telescope into a full f-stop faster f/7.7, increasing your photographic field o...

This Celestron EdgeHD 0.7x focal reducer turns your 8" f/10 EdgeHD telescope into a full f-stop faster f/7 scope, increasing your photographic fiel...

Celestron 1.25" Dielectric Star Diagonal with Twist-Lock Eyepiece Clamp If you're still using a basic 1.25" diagonal that came bundled with your te...

Celestron 1.25" Observer’s Accessory Kit (#94308) If you’re just starting out with a telescope or looking to upgrade your basic accessories, the Ce...

This Celestron Oxygen III light pollution filter has a very narrow passband for very high contrast on emission nebulas, making it a good choice for...

A Star Diagonal lets you view objects that are at a 90° angle from the direction the telescope is pointing, thereby allowing comfortable viewing wh...

This Celestron ultra high contrast (UHC) light pollution filter has improved contrast when compared with the wider passband of a broadband filter, ...

This Celestron eyepiece holder/visual back threads on the 2" rear cell of all Celestron 5", 8", 9.25" and 11" Schmidt-Cassegrain telescopes to allo...

Think you have to spend a bunch to get a decent high power compact roof prism? Think again. The Celestron 10 x 25mm UpClose G2 costs a lot less tha...

This second generation Celestron 10-30 x 50mm UpClose G2 is a surprisingly affordable 10x to 30x magnification range zoom binocular that will put y...

This exceptional Celestron 10mm Luminos ultra wide field 1.25" eyepiece uses seven optical elements for optimized performance across a very wide an...

This Celestron 10 x 25mm Outland X compact roof prism binocular is designed for those who want high power in a small package at a small price. Only...