Nikon D3100 2-lens kit Digital Camera User Manual


 
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3 Choose an AF-area mode.
Highlight one of the following options and press
J.
To return to shooting mode, press the
shutter-release button halfway.
A AF-Area Mode
The AF-area mode used when photographs are framed in the
viewfinder can also be selected using the AF-area mode >
Viewfinder option in the shooting menu (0 131).
AF-area mode
selections made in shooting modes other than P, S, A, or M are reset
when another shooting mode is selected.
A 3D-tracking (11 Points)
When the shutter-release button is pressed halfway, the colors in the area surrounding the
focus point are stored in the camera.
Consequently 3D-tracking may not produce the
desired results with subjects that are the same color as the background.