Rare LOMO Hydro Russar 8A lens for underwater shots
The lens was designed by famous Russian optics designer Rusinov.
It is purposed for underwater shots.
Focal length is 21.6mm.
Relative aperture is f/3.5.
Angle of view is 72 degrees.
Mount is M39x1.
Condition is excellent except of minor wear of front element - looks like it was mowing in the box with a cap dropped off. No affection on image quality.