Understanding Eyepieces for Telescopes - Focal Length, Size, AFOV, Eye Relief
14:15
Why You Should Upgrade Your Eyepiece
10:05
Are 2” eyepieces really better than 1.25” ones?
12:52
The right equipment for visual planetary observations
15:53
Can a 4” ED be everything you need?
19:58
Barlow Lens - Complete Overview and Function
28:05
Ultimate Eyepiece Guide and Review Part 2
12:55
Choisir son télescope quand on débute dans l'astronomie
14:28