Microscope on a milling machine used as an optical comparator... It works...!!!
7:23
DIY Micro-Scope Optical Comparitor
20:28
Electronic Microscope, low priced 14 Mega Pixels, Great results....!!!
16:46
Autocollimators 1: Introduction
34:35
Lapsun 4K Microscope - Sony IMX377 (?) - Unbox and Review
17:41
ID and OD lapping simplified.
21:50
Virtual Apprentice Squaring Blocks
6:14
#1952 Scale Loupe - Measuring Magnifier - Optical Comparator
9:17