d Industar-50 P KMZ Collapsible f3.5/50mm Lens for FED LEICA M39 mount 0614
Focal length of 52 mm ( 51.39 mm ), aperture of 1:3.5, the angle of view 46 °. Zorki 1, 2, 3, 4,5, 6, LEICA II, III, M39 mount. All features of the item have been tested and work properly. Look at the picture!