Nikon D6, Reference Manual

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102
The AF-Mode Button
❚❚
Viewfinder Photography
The selected AF-area mode is displayed in the top control panel
and viewfinder during viewfinder photography.
Option Description
[ Single-point AF ]
The camera focuses on a point selected by the user.
•
Use with stationary subjects.
[ Dynamic-area AF
(9 points) ]/
[ Dynamic-area AF
(25 points) ]/
[ Dynamic-area AF
(49 points) ]/
[ Dynamic-area AF
(105 points)]
The camera focuses on a point selected by the user;
if the subject briefly leaves the selected point, the
camera will focus based on information from
surrounding focus points. Dynamic-area AF is
available when
AF-C is selected for autofocus
mode.
•
Choose for subjects that move unpredictably. The
greater the number of focus points, the wider the
area used for focus.
[ 3D-tracking ]
The user selects the focus point; while the shutter-
release button is pressed halfway, the camera will
track subjects that leave the selected focus point
and select new focus points as required. 3D-
tracking is available when
AF-C is selected for
autofocus mode.
•
Use for subjects that are moving erratically from
side to side.