HARTBLEI ZENIT-122 Technical Description

ZENIT-122

Technical Description

1.GENERAL

1.1. PURPOSE AND ADVANTAGES

ZENIT-122 is a 35-mm single lens reflex camera intended for taking various amateur pictures on black-and-white and color
films. It can be used for special kinds of photography as well, such as copying, taking close-up pictures of small-size objects
at short distances (ultra-close-up photography), taking pictures with the help of a microscope (photomicrography), etc.
The camera accepts interchangeable lenses with M42x1 screw fittings and mechanical back focal distance of 45.5 mm.
The following features are remarkable with the camera:
- semi-automatic exposure meter operating through the lens (TTL system) provides for correct exposure setting when taking
pictures with the standard lens as well as with interchangeable lenses, light filters, supplementary lenses, extension tubes;
- light-emitting diodes in the viewfinder, indicating correct exposure setting, can be clearly seen both when the diaphragm is
fully open and stopped down;
- instant return mirror ensures continuous viewing of a subject before and after exposure;
- high speed lens is provided with a pre-set diaphragm mechanism which automatically closes the diaphragm down for the
moment of shutter operation;
- fully open diaphragm ensures maximum brightness of the image in the viewfinder which is very important for viewing and
focusing;
- composite focusing device provides excellent image sharpness in various conditions of shooting;
- speedy exposure setting, simplified film loading procedure and frame counter automatically re-setting to "0" upon pressing
the film rewing button reduce the time required for preparing the camera for picture taking;
- built-in self timer enables you to take picture of yourselves among your friends or to make a self-portrait;
- secret lock of the back door interlocked with the film rewind knob provides for reliable locking of the back door and
convenient unloading of the camera;
- flash unit connector socket and hot-shoe enable to use flash units both with cable and cableless connection;
- shutter disengaging bush of stay-put type simplifies the film rewind procedure;
- film-checking pocket on the camera body contains characteristics information of the film the camera is loaded with.
Before using the camera, make thorough study of the present Description. In so doing bear in mind that the present
Description can not be regarded as a handbook on photography.
Due to ever-advancing development in camera construction, minor differences may occur between the text and your camera.

1.2. HANDLING RULES

The camera is a precise optical-mechanical instrument. It should be handled carefully, kept clean and protected from jolts,
dust, moisture, and sharp temperature fluctuations.
Do not remove the camera from its case the moment it is brought indoors from cold to avoid sweating of its part, especially
the optical ones.
Do not touch the surfaces of the optical parts with fingers since it may damage their coatings. Clean the optical coated lens
surfaces with a clean soft cloth or cotton wool wad slightly moistened with rectified alcohol or ether. The surfaces of the
mirror and the focusing device may be cleaned only if absolutely necessary with a dry soft brush but in no case with humid
cleaning agents.
Keep the camera closed in its case with the cap put on the lens.
Do not remove the lens from the camera without need to prevent dirt and dust from getting both onto the surfaces of the
lens optical parts and into the camera itself.