0.965 '' /24.5mm Astronomy Diagonal Mirror Refractor

Description: 0.965"/24.5mm Astronomy Refractor Erecting Diagonal Mirror . Fully Coated:high quality optical glass for maximum brightness. High Refractivity:built-in refractive , to create a more comfortable viewing position and clear image. A more comfortable viewing position and clear image. Just insert into 0.965" , and then fix the eyepiece by the screw. Specification: Material: + Optical Glass Size:80 mm/3.15 inch Interface:0.965"/24.4mm Package Includes: 1x Diagonal

astronomy telescope telescope diagonal mirror telescope refractor erecting