12 inch f4.9 Telescope Mirror Part 4
32:26
12 inch f4.9 Telescope Mirror Part 2
16:01
Телескоп своими руками ЧАСТЬ - 2 Шлифовка главного зеркала
20:19
Using Polishing Pads to Clear the Back of a Telescope Secondary Mirror
9:12
Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 6: polishing the surface with a pitch lap
17:22
Putting Together a 12.5" F4.6 Renegade Telescope
16:50
12 inch f4.9 Telescope Mirror Part 3
7:44
Homemade 8" Newtonian Telescope - Part 1
14:55