87Shooting Controls
Use the sub-selector as a joystick to
select the focus point, or press the center
to lock focus and/or exposure.
Focus-Point Selection
Use the sub-selector to select the focus
point in the shooting display. Focus-
point selection is not available when
auto-area AF is selected for AF-area
mode (0 55).
Autoexposure (AE) Lock
Pressing the center of the sub-selector locks exposure at the
current setting. AE lock can be used to recompose shots after
metering a subject that will not be in the selected focus area in
the final composition, and is particularly effective with spot or
center-weighted metering.
Focus Lock
The center of the sub-selector can be used 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.
The Sub-Selector
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