VOIGTLANDER BESSA-L, Инструкция по эксплуатации

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Exposure Setting (aperture priority)
1. Place the film advance lever (4) in the ready position and turn
the aperture ring until the index on the lens barrel indicates the
desired f/value.
2.The suitable aperture value changes according to the brightness
of the subject, the depth-of-field desired or filmspeed of the film
in use, and typical settings of the aperture with ISO 100/21°
film are as below.
3. Click points are provided each step of filmspeed on the Film-
speed Selector Dial. When setting the film speed, make sure
that it clicks.
3.To monitor the exposure, lightly press the shutter release button
(3) and turn the shutter speed dial until the green mark lights.
If the red mark lights, turn the shutter speed dial to the higher
shutter speed setting and if the red mark lights, then turn the
shutter speed dial to the lower shutter speed setting. When the
green mark lights at intermediate positions between click, first
set the dial at a click on either side and make fine control by
operating the aperture ring afterwards.
Note: Outside the exposure metering range of your camera(EV 4 to EV 19),
the exposure meter will not function properly and the green LED indicator
may come on indicating incorrect exposure.
Subject F/value
Indoors in normal conditions F / 4 to F/5.6
Outdoors on a cloudy day F / 4 to F / 8
Outdoors on a fine day F/8 to F/11
Seaside in midsummer F/11 to F/16
Mountain areas with snow F/11 to F/16