Mamiya M645 1000S, Инструкция по эксплуатации

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Meter Coupling Range
The range of usable shutter speeds
varies with the film speed (ASA).
As the shutter speeds shown in the
shaded areas of the table are beyond
the range of the meter, the Shutter Speed
Dial has a lock to prevent using a speed in
the non-usable zone.
For example, 1/8 sec. in the the non-usable
zone when using ASA 800, or faster, film.
Consequently, when the an ASA speed of
800, or faster, is set on the finder's ASA
Window, the Shutter Speed Dial cannot be
set to 1/8 sec.
To conserve battery power, keep
the Exposure Meter Switch to OFF
whenever the meter is not in use.
Whenever the finder is removed from
the camera, the Exposure Meter is
automatically switched OFF via a
small switch built into the bottom of
the finder.
To obtain optimum results, fol-
low the same precautions out-
lined in the PD Prism Finder
Section.
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