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JUPITER-12 m39 2,8/35 KMZ USSR Soviet lens for Zorki, Leica
Box. Two caps.
Box. Two caps.
Objective "Jupiter-12" 2.8 / 35 (in the frame with bayonet lock) - aperture shestilinzovy anastigmat (Fig. 1). Lenses are enlightened by chemical means.
The rim with bayonet produced for cameras such as "Kiev". Wide angle of view, a large aperture and depth of field make it possible to use the lens for landscape photography, shooting high and wide buildings, shooting sports scenes, shooting indoors, especially in low light objects, shooting without an accurate focusing, and the like work. Optical components lens mounted in a special frame (Fig. 2). The lens is equipped with an iris diaphragm. Collimation is performed by rotating the rings coated with a scale ranging from 1: 2.8 to 1:16. Focusing is done by turning the ring distance scale. Move the lens in the frame allows shooting from 0,9m to "infinity."
Main technical data
Focal length, mm - 35.7
The relative aperture - 1: 2.8
Angular field of view, c - 63
Working distance, mm - 34.85
The front focal length, mm - 37.09
The back focal length, mm - 7.53
Light transmission coefficient - 0.75
The resolving power, lines / mm
in the center - 36
on the edge of the field - 18
Number of Lenses - 6
Light diameter of the first surface, mm - 19
Light diameter of the last surface, mm - 28.5
Structural elements
The largest diameter of the rim, mm - 55.6
The length of the frame (with covers), mm - 56
The connection to the camera - bayonet
Landing sizes for attachments.
threaded - PSD 40,5h0,5
smooth (diameter) mm - 51
Weight, g - 110
Number 8404344
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