Astromania 2" 45-Degree Erecting Prism Diagonal for Telescope

Astromania Telescopes Customer Reviews

Image erecting BAK4 prism with anti-reflection coating.
High accuracy and high light reflection prism.
Internally matte blackened and threaded for no internal stray light reflection.
1.25" adapter with brass compression ring included.
Entirely aluminum, black anodized, smooth finish. If there is any problem of focusing due to the light path for a few telescopes, please feel free to contact us for help.

$187.99 ^Prime In Stock 1 available