Nikon D720, Руководство пользователя

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Focus
Focus can be adjusted automatically (see below) or manually
(
0 97). The user can also select the focus point for automatic or
manual focus ( 0 89) or use focus lock to focus to recompose
photographs after focusing (
0
93).
To use autofocus, rotate the
focus-mode selector to
AF .
Autofocus Mode
The following autofocus modes can be selected during
viewfinder photography:
Autofocus
Mode Description
AF-A
Auto-servo AF : Camera automatically selects single-servo
autofocus if subject is stationary, continuous-servo autofocus if
subject is moving.
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 ; 0 276).
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 85) 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 ; 0 276).
Focus-mode selector