User's Manual

142
Z
A Metered Area
In spot metering, exposure will be locked at the value metered at the
selected focus point (0 129).
In center-weighted metering, exposure
will be locked at the value metered in a 12-mm circle in the center of the
viewfinder.
A Adjusting Shutter Speed and Aperture
While exposure lock is in effect, the following settings can be adjusted
without altering the metered value for exposure:
Exposure mode Setting
P Shutter speed and aperture (flexible program; 0 133)
S Shutter speed
A Aperture
The new values can be confirmed in the viewfinder and top control
panel. Note that the metering method can not be changed while
exposure lock is in effect.
A See Also
If On (half press) is selected for Custom Setting c1 (Shutter-release
button AE-L, 0 302), exposure will lock when the shutter-release
button is pressed halfway.