- medium format cameras, lenses, accessories , services
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3. OPERATING PROCEDURE
3.1. Camera Loading
The camera can be loaded in light (preferably in the shadow).
Take the camera out of the carrying case. Open back 17 by first sliding the arrow up to the stop and depress button
25 located on the lower cover. Pull locks 22 and 24 by the clips, turn them counter-clockwise, securing them, This will
bring pivots 18 and 19 down. Insert the take-up spool into the right-hand chamber of the camera so that the upper centre
carrier fits its slot.
Holding the spool, introduce lower centre 18 into its hole turning lock 22 clockwise.
Tear the paper tag off the leader end. Insert the spool with film into the left-hand chamber of the camera so that the
carrier of the upper centre enters the spool slot. Holding the film and leader by a hand to prevent unrolling, put lower
pivot 19 through the spool hole, turning lock 24 clockwise.
Thread the leader end into the take-up spool and turning the latter wind the leader onto it until the mark on the leader
aligns with the red index on the camera housing.
To obtain the full-specified number of pictures on the film and to ensure correct operation of the frame counter
observe the following rules:
- when loading wind the leader tightly on the take-up spool;
- take measures against leader cocking, creeping over the spool flanges or crumpling leader edges;
- when cocking the shutter, take care to bring the lever to the stop in one smooth motion (do not cock the shutter
using several small turns of the lever).
Close the back by pressing it to the camera until a click is heard.
3.2. Preparing the Camera for Shooting
Make three blank shots to wind the leader onto the take-up spool. Now after the shutter is cocked the next time figure
"1" will appear in frame counter window 11 which corresponds to the first frame on the film.
Set the film-in-use speed on scale 10 by holding lever 1, and turn the disk with scale 10 until the film speed number
aligns with the index. The film speed scale is given in units of DIN.
3.3. Shooting
The operation of the camera breaks down into the following steps:
1. Shutter cocking and film transport
2. Determining the exposure time (shutter speed and aperture);
3. Shutter speed setting
4. Aperture setting
5. Composition
6. Focusing
7. Mirror lock up release (optional)
8. Shutter release
Cock the shutter turning lever 1 up to the stop. If the shutter is fully cocked, the lever will automatically return to the
initial position, if not, it will remain in an intermediate position (in this case it should be cocked again) An incomplete
cocking of the shutter should be avoided. At the beginning of cocking the shutter a slight increase of force applied to the
lever may be felt. In cocking the shutter the film is wound through one frame and the next number appears in the frame
counter window. The counter indicates the number of frames shot.
Determination of the exposure time is carried out with the shutter being cocked.
For determining the exposure time set on the
calculator the speed of the film loaded into the
camera turning knob 31 until the film speed
values in units of DIN appears in windows 28.
Set on the calculator the lens speed turning
scale 29 until the appropriate value coincides
with index 30.
The lens speed means the number
corresponding to the maximum relative aperture.
For example, for lens MC ARSAT 2.8/80 = 2.8.
For
determining
the
"speed/aperture"
combinations corresponding to the shooting
conditions do the following:
- Press the exposure meter circuit actuating
button 32 (it will be off automatically);
- Observing through viewfinder eyepiece 39
frame the subject so that its image will fall in the
ranges of the zone of measurement of the
viewfinder. In the field of vision of the viewfinder
eyepiece you will see one of lighting signals: left = underexposed or right = overexposed. Slowly turn ring 27 up to the
moment of lighting of the second signal (if left signal is lit - counter-clockwise, if right - clockwise). Determination of the
exposure time is carried out at simultaneous illumination of both signals;
- Choose the "speed/aperture" pair, which you prefer for shooting on the calculator by exposure scale 27 and by
diaphragm scale 29
Note:
Bright light not be permitted, as far as possible, to penetrate into the eyepiece. In this instance eye shades 38
and 23 should be used.