71
Reference—Exposure
While exposure lock is in eff ect, the following settings can be changed without altering
the metered value for exposure:
Exposure mode Settings
Programmed auto Shutter speed and aperture (fl exible program;
63)
Shutter-priority auto Shutter speed
Aperture-priority auto Aperture
The new values can be confi rmed in the viewfi nder and control panel. Note that the
metering method can not be changed while exposure lock is in eff ect (changes to me-
tering take eff ect when the lock is released).
Adjusting Shutter Speed and Aperture
Metered Area
In spot metering, exposure will be locked at the value metered in a 3-mm (0.12 in.) circle
centered on the selected focus area. In center-weighted metering, exposure will be locked
at the value metered in an 8-mm (0.31 in.) circle at the center of the viewfi nder.
c1—AE Lock ( 156)
If +Release Button is selected for AE Lock, exposure will lock when the shutter-release
button is pressed halfway.
c2—AE-L/AF-L ( 156)
Depending on the option selected, the AE-L/AF-L button locks both focus and exposure (the
default setting), only focus, or only exposure. Options are available for keeping exposure
locked until the AE-L/AF-L button is pressed a second time, the shutter is released, or expo-
sure meters turn off .
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