iOptron 1.25" Dielectric Coated Mirror Star Diagonal - 6231 Mount Upgrades System includes the B1200 blocking

System includes the B1200 blocking filter which provides full disk images

It has a sloping top line with 2" end panels and a built in draw-string to insure a proper fit

About the Celestron NexStar Evolution 925

11" Schmidt-Cassegrain Optical Tube Assembly

iOptron 1.25" Dielectric Coated Mirror Star Diagonal - 6231 Mount Upgrades System includes the B1200 blockingiOptron 1. 25" Dielectric Coated Mirror Star Diagonal This is an iOptron 1. 25" Dielectric Coated Mirror Star Diagonal. This diagonal uses a mirror to fold the beam from your telescope. This mirror is extremely flat and is coated with a dielectric material for high transmission of light. The diagonal eyepiece barrel is made to accept 1. 25" standard astronomical eyepieces. NOTE: The photo shows a generic iOptron star diagonal; your product may look