Another version of the Industar-22.
.
Factory: KOMZ (Kazan)
Formula: 4 elements in 3 groups
Glass: coated
Aperture markings: from 3,5 to 16
Weight: 104g (less than the previous lenses)
Princelle: K360
SovietCams: PT5770: 4 and 5 digit serials without date prefix
SovietCams: PT5775: 7 digit serials with year prefix
Fotoua: KOMZ type-1
.
Photo 1: The lens was made in 1950 (serial #5021081) at Kazan.
It was mounted on an early Zorki-Zorki 1b serial #32870 (Jacques M. collection).
.
___________________________________________________________________