Nikon D5 - Manual (Page 123)

101
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Autofocus Mode
Choose from the following autofocus modes:
Autofocus mode can be selected by pressing the AF-mode button
and rotating the main command dial until the desired setting is
displayed in the viewfinder and top control panel.
Mode Description
AF-S
Single-servo AF : For stationary subjects. Focus locks when shutter-
release button is pressed halfway. At default settings, shutter can
only be released when in-focus indicator (
I) is displayed (focus
priority; 0 299).
AF-C
Continuous-servo AF : For moving subjects. Camera focuses
continuously while shutter-release button is pressed halfway; if
subject moves, camera will engage predictive focus tracking
(
0 103) to predict final distance to subject and adjust focus as
necessary. At default settings, shutter can be released whether or
not subject is in focus (release priority;
0 299).
AF-mode button Main command dial
Top control panel
Viewfinder