Jupiter 9 Silver 85mm f/2 M39 Sonnar copy USSR Lens for SLR Sony Canon
Lens for mirror cameras.
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.
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