Features a 2" nosepiece for insertion into refractor telescopes and other 2" focuser barrels.
This 90° 2" mirror-type star diagonal has a 12mm thick mirror, 1/12 or better wave surface accuracy, and dielectric mirror coatings for 99% reflectivity.
Description
Internal safety stop prevents 2" barrels from hitting the mirror
Additional specifications
Weight (without 1.25" adapter) = 15.2oz
Weight (with 1.25" adapter) = 1lb-2.1oz
Optical path length = 105mm in 2" mode, 113mm with included 1.25" eyepiece adapter