97
Setup
Custom Settings
1
Rotate the mode dial to
P
,
S
, or
A
and select center-weight ed or spot
metering (exposure lock has no effect in mode
M
).
2
Position the sub ject in the selected focus area
and press the shutter-release button halfway
(when using center-weighted metering, po-
sition the subject in the center focus area).
With the shut
ter-release button pressed
halfway and the subject still po
si tioned in
the fo
cus area, press the
AE-L/AF-L
button
to lock exposure. Confi rm that the in-focus
in di ca tor (
●
) appears in the viewfi nder.
While ex po sure lock is in effect, an
EL
in di -
ca tor will ap pear in the viewfi nder.
3
Without releasing the
AE-L/AF-L
but ton, re-
com pose the pho to graph and shoot.
Adjusting Shutter Speed and Aperture
While exposure lock is in effect, the following settings can be changed without alter-
ing the metered value for exposure:
Mode
Description
P
Shutter speed and aperture (fl exible program; 42)
S
Shutter speed
A
Aperture
Advanced Settings
14: AE-L/AF-L
controls the function performed by the
AE-L/AF-L
button (
98).
15: AE Lock
controls whether exposure locks when the shutter-release button is
pressed halfway (
99).
Autoexposure Lock
If the subject is not in the metered area when center-weighted or spot
metering is used, exposure will be based on lighting conditions in the back-
ground, and the main subject may not be correctly exposed. This can be
prevented using autoexposure lock: