Black Mir-1B (Мир-1В) 2.8/37 wide-angle lens M42 mount SLR DSLR Mirrorless
Focal length - 37 mm
Angle of view - 60º
Maximum aperture - f2.8
Minimum aperture - f16.0
Closest focusing distance - 0.7 m
Mount thread - M42x1
Thread for attachments - M49x0.5
Resolving power, lines/mm: in center - 45; off center - 23
Lens is in good condition. It has no oil in the aperture blades, no fungus. Check the photos for detailed condition. It comes as shown on photos: with front cap, box, doc.
Glass is clear, free of dust or fungus inside. Works properly. Focusing and stopping are smooth.
See examples of photos taken on Mir 1
The lens is inspected with dosimeter, no radiation traces found