KMZ 50mm f3.5 Industar-50-2 for M42 finger grip The Minolta Flat Diffuser is

The Minolta Flat Diffuser is used for illuminance values and lighting ratios

Cosmetically

Just generally enjoy reels

with a nifty built-in lens hood

KMZ 50mm f3.5 Industar-50-2 for M42 finger grip The Minolta Flat Diffuser isThe KMZ Industar 50 2 is a Soviet made lens for M42 with a slightly misleading name (its a 50mm f3. 5), but in its defense, its tiny: not just short (about 2cm long from the mount) but also just under 5cm across at the mount. It looks like a rangefinder lens, but itll mount to any M42 SLR. This Industar is in very good cosmetic condition, with minor paint wear. Optics have been cleaned, and retain a tiny bit of fungus etching in the coating at the