Zenit 12xp notes and technical data

Notes on the camera Zenit 12xp. Camera - a precise optical-mechanical device. Should be handled carefully, kept clean and protected from jolts, dust, moisture and extreme temperatures. If the camera is brought in from the cold into a warm room, do not rush to remove it from its case to parts, especially optical, is not foggy.
Optical parts can not be touched by hands, as this may damage their coatings. Wipe the optical coated lens surfaces with a clean soft cloth or cotton wool wad slightly moistened with rectified alcohol or ether. Surface of the mirror and focusing elements may be cleaned only if absolutely necessary cases, very soft, dry brush, in no case with humid cleaning agents.
Keep the camera closed in its case, closing the lens cap. Do not remove without the need for a lens with the camera, to prevent dirt and dust on the surface of the optical components of the lens and the camera.
Load and unload your camera is desirable to make the premises or in the shade, avoiding direct sunlight or strong artificial light. Cocking is always up to the stop. This is to prevent dropped frames on the film during exposure.
Do not leave the camera with the shutter cocked for a long time, since it can lead to deterioration of the gate.
Do not try to rotate the shutter speed dial 15 so that the index in 1914 was held in a short interval between shutter speed scale "500" and "B", as well as the film speed dial 26 so that the index in 1917 was held in neotsifrovannom range scale 27.
When shooting in cold weather does not leave the unit outdoors: wear it, for example, under-clothes, taking out only when shooting.

Since the Zenit 12xp camera - a complex instrument, its repair and appropriate adjustments should be made only in repair shops.

Technical data of Zenit 12xp

Frame size, mm - 24x36
Film used - 35 mm, perforated
Length of film in the cassette, m - 1,65
Number of frames - 36
Shutter speeds, s - 1 / 30 to 1 / 500, "B" (by hand) and long-term
One of the standard lens for Zenit 12xp:
Helios-44M-4 "
"MC Helios-44M-4, Helios-44M"
"MC Helios-44M"
Focal length, mm 58 58
Maximum relative aperture of 1:2 1:2
Scale of diaphragms from 2 to 16 from 2 to 16
Distance scale, m from 0,5 to 0,55 to ? ?
Screwed the lens with the camera M42x1 M42x1
Connecting dimensions Classes: under the filter M52x0,75 M52x0,75
under the hood, mm 0,54 0,54
The size of the image field viewfinder, 20x28 mm
Eyepiece magnification, times 4.3
Working distance of Zenit 12xp camera, 45.5 mm
Connecting dimensions tripod socket connection 1 / 4 "
Overall dimensions without case, mm 136x100x93
Supply voltage, V 3 (2x1,5)
Power supply for type 2 cells, Mallory D386, Seiko SB-B8, STs-32, etc.
Weight, kg 0.95