Diagonals and Prisms

• Enjoy better views through your telescope with this premium diagonal
• Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
• Twist-lock keeps the eyepiece centred in the diagonal to provide better optical alignment
• Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1.25” barrel

• Enjoy better views through your telescope with this premium diagonal
• Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes
• Twist-lock keeps the eyepiece centred in the diagonal to provide better optical alignment
• Includes a step-down-adaptor, so the diagonal accepts eyepieces in both 2” and 1.25” sizes

• Fits telescopes with 1.25” focusers or visual backs, 90º viewing angle, best for observing objects overhead.
• Accepts standard 1.25” eyepieces, Barlow lenses, and other accessories with a 1.25” insert barrel.

• A great accessory for daytime terrestrial viewing with your telescope.
• This 1.25” diagonal produces right side up and left-to-right correct images when used with refractors and catadioptric (Schmidt-Cassegrain) telescopes.
• Inserts into 1.25” focusers or visual backs. Accepts standard 1.25” eyepieces.

Convert your 2" focuser to use with 1.25" eyepieces.

The mirrors inside these diagonals have undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast.  (Standard diagonals typically reflect 90-95% of light).

• This Baader 2" Clicklock Adapter is designed specifically for all Telescopes using the Large 3.25" SCT Thread.
• Gives a full 2" aperature. 
• The Baader 2" Clicklock Adapter locks eyepieces and accessories into place with a simple twist.

Holds 2 inch clamp product number: 2408140

The mirrors inside these diagonals have undergone a special high-reflectivity multi-coating process, allowing them to reflect 99% of the precious gathered starlight, providing exceptional brightness and contrast.  (Standard diagonals typically reflect 90-95% of light).

Will fit all Celestron and Skywatcher Refractor scopes fitted with M56 threads.

A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and Maksutov-Cassegrain telescopes and accepts 1.25” accessories, including diagonals, eyepieces (for straight-through viewing), Barlows, webcams, and any other accessory with a 1.25” insert barrel.

• This Baader 2" Clicklock Adapter is designed specifically for all Telescopes using the Newtonian Ring Dovetail
• The Baader 2" Clicklock Adapter locks eyepieces and accessories into place with a simple twist.

The Celestron Universal T-Adapter connects a DSLR or SLR camera to any telescope for prime focus photography.

High quality, beautifully crafted star diagonal. The highly accurate mirror is not hindered by its ultra reflective coatings as many similar models are, in some models up to 1/2 a wave accuracy is lost due to the layers of coatings, this is not the case with Baaders all-dielectric mirror coatings.

Designed for convenient CCD imaging. The device has a 1.25" nosepiece, threaded for standard filters on one end, which is inserted into a telescope's focuser, and an M42x0.75 T-mount thread on the other end to connect a suitable CCD camera.