Back Spacing for Field Flattener and Coma Corrector to Camera
23:44
What is BACKFOCUS?? And how to deal with it? - Starting Astrophoto for Lazy People - Ep 8
27:57
Christmas 2024 with AndyofAstro - Dual Telescope Rig!
20:15
Installing the Hotech F/5 to F/8 Field Flattener and Adjusting Backfocus to Account for a Filter
11:46
To flat or not to flat? Assembly and discussion about the WO Zenithstar 73 and its Field Flattener!
18:45
Telescope Back Focus: The Ultimate Guide [TAIC Short]
14:31
Ten Things To Make Your Newtonian Amazing!
17:30
Triplet Refractor Apo Reducer/ Flattener - Attachment & Backfocus
10:09