How to clean a telescope mirror - I am testing a new method!
17:34
Cleaning Optics - Baader Fluid vs Soap & Water!
24:17
How To Clean A Telescope Mirror: The Step By Step Guide [ 8" Reflector Telescope ] by Reflactor
4:58
HOW TO REMOVE WHITE BACKGROUND ON A GLASS AND MAKE IT TRANSPARENT IN REAL.
8:10
How to Clean a Vintage Lens with a Huge Fungus Infection
23:16
Telescope Diagonal Cleaning Guide - How to safely clean the MIRROR!
30:47
12 inch f4.9 Telescope Mirror Part 4
15:51
How to change the secondary mirror on your telescope! (To one of the best mirrors out there)
16:13