Lens JUPITER 12 35mm f2.8 M39 for Leica FED Zorki Black
Wide-angle lens for rangefinder cameras.
Jupiter-12 uses the optical design of the Biogon 2.8/35 lens from the German company Carl Zeiss.
The design and technological documentation of Zeiss went to the USSR as reparations.
Focal length: 35mm
Field of view angle: 63°
Frame size: 24×36 mm
Number of lenses/groups: 6/4
Working distance - 28.8 mm
Relative opening: 1:2.8
Aperture scale limits: 1:2.8–1:22
Number of aperture blades: 5
Aperture adjustment - stepless
Aperture preset - none
Near focusing limit - 1 m
Connections:
lens with camera - M39×1
for screw-in attachments - M40.5×0.5
for snap-on attachments - ∅51 mm
Mounting location for filters: front
Resolution according to specifications (center/edge): 34/12 lines/mm
Light transmittance: 0.75
Weight - 101 g