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3. Automatic flash mode
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Fig. 3: Measuring procedure
In the automatic flash mode the sensor of the mecablitz
measures
the light reflected from the subject.The flash
is cut off as soon as sufficient light for a correct expo-
sure has been detected.
There is no need to calculate and adjust a new aper-
ture when the distance is changed, provided that the
subject remains within the indicated auto flash
range.
The sensor must be directed at the subject, regard-
less of the direction at which the main reflector is
pointing.
The sensor has a measuring angle of approx. 25°,
and it only measures the light while flashes are fired
with the mecablitz.
Two to three automatic apertures are available to the
user in the auto flash mode, depending upon the
adjusted ISO film speed.
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