Dielectric Star Diagonal, 2” With Twist-Lock

Description Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the eyepiece Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment Includes a stepdown adapter, so the diagonal accepts eyepieces, Barlow lenses, threaded filters, and other accessories in both 2” and 1.25” sizes Two interchangeable adapters allow you to switch between a Schmidt-Cassegrain thread adapter and a 2” barrel adapter so you can use this diagonal with a wide variety of telescopes Ensure maximum light transmission without loss of optical quality with the Celestron Dielectric Star Diagonal with Twist-Lock. Upgrade your existing star diagonal to