KMZ SILVER HELIOS-40 KING of BOKEH 1,5/85mm USSR SLR lens M39
Sixilineza super -light anastigmat type "Planar". Moderately long -focus.
Helios-40 is made in an optical scheme similar to the Carl Zeiss Jena Biotar 1.5/75 lens
Focus distance: 85 mm
The angle of field of view: 28 °
Frame size: 24 × 36 mm
Number of lenses/groups: 6/4
Work segment - 45.2 mm
Relative hole: 1: 1.5
The limits of the diaphragm scale: 1: 1.5–1: 22
The number of diaphragm petals is 10
Diaphragm adjustment - with fixed values
The prescription of the diaphragm - there is
The near focus limit is 0.8 m
Connections:
lens with camera - m39 × 1
for screwing nozzles - M66 × 0.75
for worn nozzles - ∅68 mm
Location of fastening for light filters: front
Resolution by TU (Center/Territory): 32/16 lines/mm
Light transmission coefficient: 0.75
Weight - 940 g