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Autoexposure Lock
Exposure lock is used to recompose photographs after metering
exposure. It is most effective when used with center-weighted or
spot metering (0 117) to frame off-center subjects that are
much brighter or darker than their surroundings or to optimize
exposure for an object other than your main subject.
1
Meter exposure.
Position the subject in the center of
the frame and press the shutter-
release button halfway to meter expo-
sure. Check that the focus area is dis-
played in green.
2
Lock exposure.
With the shutter-release button
pressed halfway and the subject posi-
tioned in the focus area, press 1 (A)
to lock exposure. While exposure lock
is in effect, an AE-L indicator will be dis-
played. Exposure will remain locked
while 1 (A) is pressed, even if you
later remove your finger from the
shutter-release button.
3
Recompose the photograph.
Keeping the 1 (A) button pressed, recompose the photo-
graph and shoot. The option selected for Metering can not
be changed while exposure lock is in effect.
A
See Also
For information on changing the role of
the 1 (A) button, see page 152.