What is BACKFOCUS?? And how to deal with it? - Starting Astrophoto for Lazy People - Ep 8
26:13
The Filter Wheel and the Focuser - they're important too! Starting astrophoto for lazy people Ep 9
11:32
Back Focus Explained - Astrophotography
32:24
Serious Beginner? Here's what YOU need for DSO Astrophoto #masterclass
6:55
Back Focus Fundamentals
25:19
Setting Back Focus for Astrophotography with Celestron NextStar 6SE 8SE and f6.3 Focal Reducer
16:11
Modifying my Newtonian Telescope
35:45
EVERYTHING about calibration frames for EVERY camera! + FULL HOWTO
23:38