Usb Microscope

Usb microscope made from the old soviet era camera lens with M42 mount and not so old webcam.

I was thinking about the usb microscope for smd soldering for some time now, but wasn't really happy with their price / quality and their distance form pcb when set up. So decided to take hacker way and use what was lying around in a junk box.

I've used one M5 threaded rod, some nuts, washers, wooden board.
One webcam.
One camera lens.

Printed parts list:
* the lens - camera ring adapter (yo