Nikon D500 用户手册

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页码 428
48
❚❚ Choosing an AF-Area Mode
The following AF-area modes can be selected in live view:
Mode
Description
!
Face-priority AF
: Use for portraits. The camera automatically 
detects and focuses on portrait subjects; the selected subject is 
indicated by a double yellow border (if multiple faces, up to a 
maximum of 35, are detected, the camera will focus on the 
closest subject; to choose a different subject, use the multi 
selector). If the camera can no longer detect the subject 
(because, for example, the subject has turned to face away from 
the camera), the border will no longer be displayed.
5
Wide-area AF
: Use for hand-held shots of landscapes and other 
non-portrait subjects. Use the multi selector to move the focus 
point anywhere in the frame, or press the center of the multi 
selector to position the focus point in the center of the frame.
6
Normal-area AF
: Use for pin-point focus on a selected spot in the 
frame. Use the multi selector to move the focus point anywhere 
in the frame, or press the center of the multi selector to position 
the focus point in the center of the frame. A tripod is 
recommended.
&
Subject-tracking AF
: Position the focus point over your subject and 
press the center of the multi selector. The focus point will track 
the selected subject as it moves through the frame. To end 
tracking, press the center of the multi selector again. Note that 
the camera may be unable to track subjects if they move quickly, 
leave the frame or are obscured by other objects, change visibly 
in size, color, or brightness, or are too small, too large, too bright, 
too dark, or similar in color or brightness to the background.