Diagonals

Tele Vue Optics 1¼” 90º Everbrite Diagonal: Exceptional Brightness and Clarity Key Features: Superior Reflective Coating: Everbrite mirror coati...

Boost your telescope's performance without buying a new one—simply switch to the Celestron Dielectric Star Diagonal, 2” with Twist-Lock. This top-t...

In the world of telescope gear, a diagonal is more than just an accessory—it's an essential component that significantly impacts the clarity of the...

Boost your telescope's performance without compromising optical quality—introducing the Celestron Dielectric Star Diagonal, 1.25” with Twist-Lock. ...

The Celestron 1.25” Star Diagonal is designed to fit into the 1.25” focuser of your refractor or catadioptric telescope. It accommodates standard 1...

Ever wondered if your telescope can double up for daytime use as well as stargazing? Well, if you own a refractor or a Schmidt-Cassegrain telescope...

Tele Vue Optics 2” 90º Enhanced Aluminum Diagonal: Superior Reflectivity for Visual Excellence High Reflectivity Coating: Features a 2" Enhanced ...

Tele Vue Optics 2" 90° Enhanced Aluminum Diagonal with HiHat Adapter for Superior Viewing Key Features: Everbrite Mirror Coating: Utilizes an exo...

Tele Vue Optics 1¼” 60º Everbrite Diagonal: A Breakthrough in Viewing Comfort Key Features: Innovative Design: A fresh perspective from Tele Vue...

Tele Vue Optics 1¼” 90º Enhanced Aluminum Diagonal: Superior Reflectivity for Visual Excellence Key Features: High Reflectivity Coating: Features...

Unlock the Full Potential of Your Telescope with the iOptron 2" Dielectric Mirror Diagonal! Elevate your astronomical observation experience with t...

Unlock the Full Potential of Your Telescope with the iOptron 1.25" Dielectric Mirror Diagonal! Benefits: Enhanced Image Quality: This diagonal mi...

The Altair 2" premium diagonal has a CNC machined chassis to hold extra heavy accessories without flexing, a 2" push-fit adapter with non-marring c...

A premium dielectric coated diagonal which is small and compact with very high quality machining and a super-hard black anodised chassis and silver...

Description The Explore Scientific 2-inch Dielectric-Coated Diagonal Mirror comes complete with 1.25-inch Adapter and dust covers. Solid construct...

Description The Explore Scientific 3-inch Dielectric-Coated Diagonal Mirror comes complete with 2 inch Adapter and dust covers. Solid construction...

Description To check the target during photography Since the optical path can be changed with one-touch operation, you can quickly change to phot...

Description A prism suitable for astronomical observation near the zenith This 90 degree diagonal prism allows viewing at comfortable angles. S...