EN
83
Pictur
e mode
EXPOSURE MODES
The camera provides two exposure modes: Aperture priority mode
and manual mode. Depending on the subject, situation and your
individual preferences, you can thus choose between
– the familiar “semi automatic” operation, or
– setting a fixed shutter speed and aperture.
APERTURE PRIORITY
If the shutter speed thumbwheel is in the
A
position, the electronics
within the camera generates the exposure time automatically and
continuously in the range of
1
/
4000
s to 60s, in accordance with the
film speed setting, the metered brightness and the manually selected
aperture. The calculated shutter speed is displayed in half steps to
provide a better overview.
For shutter speeds slower than 2s the remaining exposure time is
counted down and displayed in seconds after the shutter release.
The actually generated and continuously controlled exposure time
can however vary from the half step value displayed: For example, if
the display shows
16
(the closest value) before releasing the shutter,
but the calculated exposure time is longer, the countdown after
releasing the shutter may actually start from
19
.
Under extreme lighting conditions, based on all the parameters the
exposure meter may generate a shutter that is outside the working
range, i.e. brightness values that would require shorter exposures
than
1
⁄
4000
s or longer than 60s. In such cases the specified minimum
or maximum shutter speed is nevertheless used, and these values
flash in the viewfinder as a warning.
Notes:
• As described in connection with the ISO setting on p. 77, a
certain amount of noise becomes apparent when using higher
sensitivities, and particularly with uniform dark surfaces. To
reduce this annoying phenomenon, after pictures with slow
shutter speeds and high ISO values the camera automatically
takes a second “black picture” (taken with the shutter closed).
The noise present in this parallel picture is then digitally “sub-
tracted” from the data for the real picture. This doubling of the
“exposure” time can be significant at longer exposure times, and
must be allowed for. During this time the camera should not be
turned off.
• If you want a darker or brighter reproduction of the subject, it is
recommended to set the exposure manually (see p. 84).
Summary of Contents for 262
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