Carl Zeiss Jena   Biotar 2/58

Specification

Mount M42x1
Focal length, mm 58
Maximum aperture f/2.0
Minimum focusing distance 50 cm
Diaphragm action pre-set,manual,auto
Angle of View 41°
Filter size 49 mm
Construction 6 elements in 4 groups
Dimensions, (Diameter x Length) 60x46 mm
Weight, kg 0.210