Arsenal  Mir 26 3.5/45

Specification

Mount B-type bayonet
Focal length, mm 45
35mm film equivalent focal length, mm Approx. 27
Maximum aperture f/3.5
Angle of View 83°
Focusing From 50 centimeters to infinity
Filter size 82 mm
Construction 8 elements in 7 groups
Center/edge resolution 45/16 line pairs per millimeter
Dimensions, (Diameter x Length) 86x93 mm
Weight, kg 0.60