Cleaning lens elements In Mamiya-Sekor Z f=110mm 1:2.8 W for the RZ67 front and back lens group
1:13:01
Remove old Fungus In Konica Hexanon AR 100mm F 2.8 Maybe it will work
1:19:24
Sticky shutter (1.second problem) in Hasselblad Planar C 1:2.8 f=80mm T*
13:17
Mamiya RB67 buying checks. We run through the essential checks when buying a used RB67.
23:35
How to separate (and re-cement) a doublet : Lens repair
19:01
Fotografia de efeitos especiais
47:59
Sticky slow gear in Mamiya-Sekor 1:2.8 f=80mm (Seikosha-S shutter)
1:04:17
How i fixed Diana Mini
43:22