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A Spot Metering
In spot metering, exposure will be locked at the value metered at the
selected focus point (0 124).
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; 0 128)
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, 0 263). If
On (half press) is selected, exposure will lock when the shutter-release
button is pressed halfway.
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