Pentacon 50mm f1.8 Aperature fix
10:41
Pentacon 50mm f/1.8 - Quick and Dirty Review
24:18
Repairing stuck aperture on a Pentacon auto 50mm F1.8 Multi Coated lens.
48:07
Pentacon 1 8 50 loose focus ring repair and adjustment
19:45
Meyer-Optik Görlitz 50mm/58mm - vintage, good value fast fifties full of character and bubble bokeh
8:41
Pentacon 50mm : Disassembly and cleaning
50:53
Pentacon/Meyer 50mm f1.8 Zebra Fungi CLA Cleaning (M42 Mount)
8:10
How to Clean a Vintage Lens with a Huge Fungus Infection
5:32