More on flat making
18:06
Reading Optical Flats Part 1
12:56
How to make Very Flat Optical Surfaces on Glass
9:39
My Zeiss grinding and polishing machine
11:43
Polishing a Small Spherical Mirror Surface on a Glass Blank
26:44
Precision Lapping 101
23:57
Making Flat lapping plates 3
10:58
Parabolizing a 12 inch F/7.6 parabolic mirror
19:39