Primary Mirror CLEANING tutorial... with FINGERS 😱 - NOT for the faint hearted!
24:17
Comment nettoyer un miroir de télescope : chaque étape, du démontage au remontage !
23:24
I turned my BUDGET Astrograph into a PREMIUM Scope! 😎 With CNC Mirror Mask and Spider!
11:07
Newton Teleskop Haupt-Spiegel reinigen
13:40
PHD2 trick for BETTER GUIDING! (Not multi-stars)
10:23
Cleaning Telescope Primary Mirror
8:15
How to clean your telescope's mirrors [8" Newtonian Reflector]
13:48
FINALLY! GREAT Images with my BUDGET Newt - See how I did it!
17:55