Cleaning and Adjusting a Pentacon Prakticar 50mm F1.8 lens.
24:18
Repairing stuck aperture on a Pentacon auto 50mm F1.8 Multi Coated lens.
9:31
Pentacon 50mm F1.8 | A must have vintage lens! |Cheap Vintage Glass | Danie Nel Photo
16:24
La configuración me hizo creer.
1:15:19
Victory Amps MK Clean & OD [With Martin Kidd & Lee Anderton]
39:13
Carl Zeiss Jena MC Pancolar 1,8 50 Reparatur Blende How To Repair Aperture Disassembly
8:10
How to Clean a Vintage Lens with a Huge Fungus Infection
22:46
Removing Fungus and Haze from Seikanon 28-80mm F3.5-4.5 lens.
27:59