Celestron Twist-Lock Dielectric Mirror Diagonal - 1.25" - 93571 Telescope Maintenance This Explore Scientific FirstLight 5

This Explore Scientific FirstLight 5 inch Doublet Refractor on a TwiLight I Manually-Operated Alt-Az Mount has the performance features you want

The camera is now using your telescope as a giant telephoto lens

14 arc seconds

Mirror Support Knobs hold the mirror in place and reduce image shift during imaging

Phase coated BaK-4 prisms for increased contrast and resolution

Celestron Twist-Lock Dielectric Mirror Diagonal - 1.25" - 93571 Telescope Maintenance This Explore Scientific FirstLight 5Upgrade Your Diagonal for a Better Optical Chain! Celestron 1. 25" Dielectric Diagonal with Twist Lock! Enjoy better views through your telescope with this premium diagonal featuring diffraction limited optics and 58 layers of dielectric coatings! The Celestron 93571 Diagonal provides a 90 viewing angle, perfect for more comfortable viewing through refractor and Cassegrain type telescopes. Dielectric coatings create a stunning 99% reflective surface,