Jupiter-9 2/85 lens M39 Screw mount Rare Silver Carl Zeiss Sonnar successor

In Jupiter-9, the optical Sonnar scheme of the German company Carl Zeiss is embodied. The design and technological documentation of the zeiss went to the USSR on account of reparations.

jupiter-9-lens

Focus distance: 85 mm
The angle of field of view: 28 °
Frame size: 24 × 36 mm
Number of lenses/groups: 7/3
Work segment - 45.2 mm
Relative hole: 1: 2
The limits of the diaphragm scale: 1: 2–1: 22
The number of diaphragm petals - 15
Diaphragm adjustment - unavailable
The prescription of the diaphragm - there is

The near focus limit is 0.9 m
Connections:
lens with camera - m39 × 1
for screwing nozzles - m49 × 0.5
for worn nozzles - ∅51 mm
Location of fastening for light filters: front
Resolution by TU (Center/Territory): 30/18 lines/mm
Light transmission coefficient: 0.75

Weight - 353 g