Nikon D300 - Manual (Page 293)

267
U
a1: AF-C Priority Selection
This option controls whether
photographs can be taken
whenever the shutter-release
button is pressed (release priority)
or only when the camera is in focus
(focus priority) in continuous-servo
AF. To select continuous-servo AF,
rotate the focus mode selector to C.
Regardless of the option selected, focus will not lock when the in-
focus indicator (
I ) is displayed.
a: Autofocus
Option Description
G
Release
(default) Photos can be taken whenever the shutter-release
button is pressed.
E
Release +
focus
Photos can be taken even when the camera is not in
focus. In continuous mode, frame rate slows for
improved focus if the subject is dark or low contrast.
F Focus
Photos can only be taken when the in-focus indicator
(
I) is displayed.
Focus mode selector