Zorki 4K Brief Description

Zorki-4K
1. Purpose
ZORKI-4K is a single-lens rangefinder camera intended for taking various amateur and professional
pictures on black-and-white film.
The camera is provided with a shutter setting lever and a self-timer and is "M" and "X"
synchronized.
The viewfinder and the rangefinder of the camera have a common field of view and the camera
eyepiece is provided with a device for adjusting it according to a particular eyesight. Such a design of
the viewfinder ensures perfect focusing at the moment of picture taking.
The lens is focused by turning its focusing ring. In so doing the rangefinder operates automatically
irrespective of the focal length of an interchangeable lens.
The camera uses a new type of a take-up spool to simplify the camera loading.
The camera accepts standard cassettes with invariable slit.
The camera is delivered in two variants: with INDUSTAR-50 or JUPITER-8 lens.
2. Specifications
Frame size, mm . . . . . . . . . . . . . . . . . . . . . . . . . . . 24×36
Perforated film width, mm . . . . . . . . . . . . . . . . . .
Number of frames for one loading . . . . . . . . . . . .
Focal plane shutter speeds . . . . . . . . . . . . . . . . . . . 1 to 1/1000 s (automatic), "B" (by band)
Mechanical back focal distance, mm . . . . . . . . . .
Viewfinder eyepiece magnification, times . . . . . .
Eyepiece adjustment, diopters . . . . . . . . . . . . . . . . ±2.5
Thread of shutter button for cable release . . . . . . . КФ 3.5×0.5
Tripod bush threa, inch . . . . . . . . . . . . . . . . . . . . .
Lens
Nominal focal length, mm
Relative aperture range
Focusing range, m
Field of view, grades
Lens seaing thread
Lens mount thread for light filters
Seat for sun shade, mm
Overall dimensions of camera
without case, mm
Mass of camera without case, kg
Zorki-4K
Brief Description.
35
36
and slow shutter speed
28.3
1.15
¼
INDUSTAR-50
50
f/35 to f/16
1 to "∞"
45
М39×1
СпМ 35.5×0.5
Ø37
0.6
– 1 –
JUPITER-8
f/2 to f/22
1 to "∞"
М39×1
СпМ 40.5×0.5
Ø42
143×88×94
0.7
Brief Description
50
45