Nikon D500 用户手册
142
A
Metered Area
In spot metering, exposure will be locked at the value metered at the
selected focus point (
selected focus point (
0 128). In center-weighted metering, exposure
will be locked at the value metered in an 8-mm circle in the center of
the viewfinder.
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:
without altering the metered value for exposure:
Exposure mode
Setting
P
Shutter speed and aperture (flexible program;
S
Shutter speed
A
Aperture
The new values can be confirmed in the viewfinder and control panel.
Note that the metering method can not be changed while exposure
lock is in effect.
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,
button AE-L,
0 296), exposure will lock when the shutter-release
button is pressed halfway.