17:33

Back-Focus 101: Celestron EdgeHD: C9.25, C11, and C14 Advanced Back-Focus with the Celestron OAG

8:10

Backfocus with an ZWO Cooled Camera

10:17

I Just Bought my Dream Telescope - Celestron 14" Edge HD 🔭

20:34

Back Focus On Celestron EdgeHD 8 With 0.7x Reducer, ZWO Filter Drawer & ASI533MC Pro Camera.

11:45

Taking Pictures of Stars at 2000mm Focal Length.

13:13

To Edge, or Not to Edge? Should you buy the Edge variants of the Celestron Schmidt-Cassegrains?

11:41

FIRST LIGHT - Celestron EDGE HD 8 inch telescope

11:34

Celestron .7 Reducer for Edge HD Telescopes: Review and how to setup (Back Focus)