138
A
Spot Metering
In spot metering, exposure will be locked at the value metered at the
selected focus point (
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;
128)
S
Shutter speed
A
Aperture
The new values can be confirmed in the viewfinder and control panel.
Note that the metering cannot be changed while exposure lock is in
effect.
A
See Also
For information on using the shutter-release button to lock exposure,
see
A
> Custom Setting c1 (
Shutter-release button AE-L
On (half press)
is selected, exposure will lock when the shutter-release
button is pressed halfway.
Содержание D850
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