Industar-61 L/D 55mm F2.8 Lens for M39

Industar 61 L/D was used for installation in rangefinder compact cameras, like "FED", "Zorki". it has M39x1 mm mount thread. It is made of special sort of glass, which consists of rare element - Lanthanum. The main advantage of the lens is photographic acutance, that allows receiving images of high quality.

SPECIFICATIONS:

• Focal distance: 55mm
• Aperrure ratio: from 1:2,8 to 1:16
• Photographic acutance on the film KN-1, mm 1 : in the center of the field: 44
• Working section: 28,8mm
• Camera mount: M39
• Weight: 140 g

SAMPLE PICTURES: