Hasselblad CZ 150 f 2.8 F
Problem: Aperture not working
Hasselblad (its Swedish, did you know?!) is probably a brand you don't need me to introduce you to. It's the mainstream medium format...
Canon FL mount 58mm f 1.2
Problem: Stuck aperture
The FL mount is a 35mm SLR lens mount from Canon dating back to 1964. It was followed by the newer and similar FD mount. You can use a FL lens on...
Leica Summarit 50mm f1.5
Problem: Heavy haze on elements
A lot has been written about the Summarit lens. It was manufactured for 18 years (1939-1957 - Actually no lens were manufactured...