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ZENIT-TTL User manual, 1965 year
– 3 –
13 — cassette chamber 18 — lock latch
14 — cassette spool guide 19 — folding back door
15 — cap of compartment for battery of Mallory PX-13 type 20 — take-up spool
16 — viewfinder eyepiece 21 — sprocket
17 — accessory shoe for mounting flash lamp and other accessories
HELIOS-44M
22 — lens mounting ring
23 — diaphragm scale
24 — depth-of-field scale
25 — distance scale
26 — focusing ring
27 — diaphragm setting ring
28 — diaphragm mode selector switch
29 — diaphragm mechanism pusher
4. Preparing for picture taking
4.1. Loading the camera
Put a battery of Mallory PX-13 type into the compartment in the way
indicated in Section “Changing the Power Source of Exposure Meter
Electric Circuit“.
Load the camera in faint diffused light in the following way:
a) pull lock latch 18 upwards and open back door 19;
b) lift crank 6 and pull out the rewind knob;
c) put a loaded cassette into chamber 13;
d) return the rewind knob to its initial position and fold crank 6;
e) pull out the film leader as long as to reach the camera edge and insert
it into the take-up spool 20 slot; in so doing be sure to engage a perforation
hole with a tooth of sprocket 21;
f) close the back door;
g) cock the shutter by turning lever 11 as far as it will go. Press release
button 3. As the shutter is cocked, the film is advanced by one frame. To
transport a nonexposed portion of film to the film gate, cock the shutter
two times pressing the release button after each cocking.
Should the film be wound tightly in the cassette, the film rewind knob
will rotate when the shutter is being cocked. If the film is loose in the
cassette, the rewind knob will fail to rotate at the first frames;
h) bring figure “0” of exposure counter dial 10 to the index mark. Set
the exposure counter only with the shutter cocked;
i) set the film speed value by turning dial 7 till it aligns with the index
mark on the camera shield; in so doing you will feel the dial is locked.
Note: Dashes engraved between figures on the film speed dial enable to set intermediate values of
film speed in accordance with the Reference Table.