Celestron AstroMaster LT 70AZ Telescope (21074) Extension Simply remove the secondary mirror

Simply remove the secondary mirror and attach a third party lens assembly and you're ready to image the night sky at ultra-fast f/2

With more than 2

which has the highest partial dispersion of any material at around 95 V

The heaters for Newtonian/Dobsonian Secondary Mirrors

Optolong CLS Spectrum and Characteristic

Celestron AstroMaster LT 70AZ Telescope (21074) Extension Simply remove the secondary mirrorDiscover our Solar System with the Celestron AstroMaster 70AZ! You"ll be ready to observe in minutes thanks to the quick and easy no tool setup. The 70AZ provides bright, clear images of the Moon, planets, star clusters, and more for great nighttime viewing. Manual Alt Azimuth telescope Navigate the sky with a pan handle Alt Az control with clutch for smooth and accurate pointing. Move the clutch in an up down, left right fashion to track your object