The ae-l/af-l (protect) button, Exposure lock, Focus lock – Nikon Zfc Mirrorless Camera with 28mm Lens User Manual
Page 142: Locking focus and exposure, The a ( g ) button
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The
A
(
g
) button
142
The
A
(
g
) button
Locks focus and exposure at the same time.
Exposure lock
･
Exposure lock can be used to recompose shots after metering a
subject that will not be in the selected focus area in the final
composition.
･
Exposure lock is particularly effective with spot and center-weighted
metering.
Focus lock
･
Use focus lock to lock focus on the current subject when AF-C is
selected for focus mode.
･
When using focus lock, choose an AF-area mode other than [Auto-
area AF], [Auto-area AF (people)], or [Auto-area AF (animals)].
Locking focus and exposure
1
Position the subject in the selected focus point and press the
shutter-release button halfway to set focus and exposure.
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