The Industar-29 80mm f/2.8 (Индустар) is a standard prime lens for medium format SLR cameras with the B bayonet mount.
It is a kit lens for the Salyut camera. The lens is also compatible with Salyut-S (Салют-С) and Kiev-88 (Киев-88) cameras, but on these cameras the aperture operates in manual mode only (no instant-return diaphragm).
Precise focal length: 82 mm
Angle of view: 53° (according to other sources - 55° [65, p. 149])
Minimal aperture: 22
Minimum focusing distance: 0.9 m
Resolution (center/edge): 25/10 lpmm
Optical scheme: 4 elements in 3 groups
Coefficient of transparency: 0.85
Filter screw mount: М58х0,75.
Weight: 340 g
Via adapters the lens can be mounted on digital cameras. The lens is Tessar's replica.
Pros: built-in hood, high sharpness, beautiful bokeh.