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Home > Telescope Accessories > Diagonals
A premium dielectric-coated star-diagonal with a high quality CNC machined chassis to hold extra heavy eyepieces.
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 compression ring, and a 99% reflective mirror with dielectric-coatings.
High quality made 2" SCT fit 45° Erect Image Diagonal. Comes with the 2" - 1.25" reducer. This handy diagonal screws onto the back of any standard SCT and will provide the correct orientation.
For use on Refractor telescopes to provide correctly orientated views. If you want to use your scope for terrestrial viewing and want nice, bright, clear images, then this is the item for you.
The Altair 2" premium diagonal with positive-lock system grips 2" accessories tightly with a small rotation of the top knurled ring, keeping them precisely centred.
Dedicated 1.25" dielectirc mirror diagonal made especially for use with latest Star71 71mm f/4.9 apo imaging refractor telescope. Allows you to use this scope visually with any 1.25" eyepiece.
Introducing the new William Optics Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals!
A high grade star diagonal mirror with a very precise mirror surface (approx. 1/12 lambda) for demanding users.
The new T-2 Maxbright Mirror Diagonal uses the proprietary Baader Maxbright all-dielectric mirror coatings, which delivers outstanding mirror flatness.
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