99% Reflective 2" Diagonal 17-5mm-eye-relief For telescope tracking mounts there

For telescope tracking mounts there are generally two different specs: instrument payload capacity for astrophotography

or the brightest Messier deep-sky objects

The metal tripod with 1

Twist-up eyecups for comfortable viewing with or without glasses

Lightweight and durable with a carbon fiber-look optical tube

99% Reflective 2" Diagonal 17-5mm-eye-relief For telescope tracking mounts thereThe Explore Scientific 2 inch Dielectric Coated Diagonal Mirror comes complete with 1. 25 inch Adapter and dust covers. Solid construction and light weight, this first surface coated diagonal mirror reflects 99% of the light to help maintain the brightest possible image from your telescope. The insert barrel is a double taper, so it can be smoothly inserted or withdrawn from the focuser. The wide part of the taper prevents the diagonal from