Camera Design - Kalinka Optics Zenit-122 User Manual

Length of film in cassette, m -- 1.65
Number of frames -- 36 Shutter speeds, s -- from 1/30 to 1/500, "?" (by hand)
and long exposure
One of the lenses:
Focal length, mm --
Maximum relative aperture --
Aperture scale --
Distance scale, m --
Lens fitting -- M42x1
Light filter fitting -- M52x0.75
Sun shade fitting, mm -- Ø54
Viewfinder field of view, mm -- 20x28
Eyepiece magnification -- 4.3
Flange/film distance, mm -- 45.5
Tripod bush thread -- 1/4"
Overall dimensions (without case), mm -- 142x97x99
Power supply voltage, V -- 3 (2x1.5)
Power supply -- from 2 batteries of Mallory D 386, Seiko SB-B8, ??-32,
??0.105 types.
Mass, kg -- 0.82

CAMERA DESIGN

HELIOS-44M-4MC
MC HELIOS-44M-4
HELIOS-44M-5
MC HELIOS-44M-5
HELIOS-44M-6
MC HELIOS-44M-7
from 2 to 16
from 0.5 to 8
x
HELIOS-77M-4
58
f/2
from 1.8 to 16
from 0.45 to 8
1 -- self-timer cocking handwheel
2 -- self-timer release button
3 -- self-timer window
4 -- flash unit connector socket
5 -- release button threaded for
cable release
6 -- shutter disengaging knob of
stay-put type
7 -- shoe for mounting flash units
and other accessories
8 -- eyelet of strap securing
9 -- film check pocket
10 -- lens
52
f/1.8