Carl Zeiss JENA wideangle lensBIOMETAR 1:2.8 f=35mm (35mm f/2.8)
For CONTAX rangefinder series cameras
Quick Spec Sheet:
Direct mount
Focal Length: 35mm
Aperture Range
(maximum/minimum): f/2.8~f/16
Number of lens element: 5E/4G
Filter attachment size: 40.5mm
Year introduced: approx. 1950