Telescope Accessories

These Bob's Knobs fit the secondary mirror housing of the 10" Astro-Tech Ritchey-Chrétiens only. Precise collimation is essential to get the best c...

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...

Buying a telescope is crucial for enhancing your enjoyment of astronomy. With so many choices available, how does the beginner choose? This book su...

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 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 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...

There was a time when a six-inch refractor meant a permanent pier, a roll-off roof, and a second mortgage. That era is over. The Sky Rover 150 GPA ...

Secure, Low-Profile Support for the TSA-120 Refractor The Takahashi Tube Holder 125S is the refined alternative for observers seeking a more compac...

Precision-Machined Support for the TSA-120 Refractor The Takahashi Tube Holder 125WM is the kind of mounting hardware that reminds you why Takahash...

If you're looking to enhance your Takahashi telescope with precise, automated focusing, the ZWO EAF Takahashi Bracket is the perfect solution. Desi...

AstroZap Flexi-Shield® Flexible Dew Shield – For Meade 8" ETX-LS Block Dew and Stray Light with a Flexible, Field-Friendly Shield The AstroZap Flex...

AstroZap Aluminum Dew Shield – For Celestron 14" SCT with Single Dovetail Heavy-Duty Dew and Glare Protection for Fork-Mounted and OTA-Only Configu...

The iOptron 1.25" dielectric star diagonal is an excellent upgrade for any refractor or catadioptric telescope that accepts standard 1.25" accessor...

Protect your investment and simplify your transport with the iOptron GEM28 hard carrying case. Custom-built to fit the iOptron GEM28 equatorial mou...

If your astronomy setup includes a mount with a serial (RS232) port but your laptop only has USB ports—as nearly all modern machines do—then this l...

Modern mounts need modern connections—and the iOptron USB Cable #8416 delivers exactly that. Whether you're running planetarium software, syncing w...

Some of the most important connections in astronomy aren’t wireless—they’re six little pins clicking into place. The iOptron 6P6C controller cable ...