Nikon D700 Guia Do Utilizador

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3D-tracking
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 or that occupy a very small area of the 
frame.
51 points 
(3D-tracking)
If the subject leaves the selected focus point, the 
camera will use 3D-tracking to track the subject 
and select a new focus point as required. Use to 
quickly compose pictures with subjects that are 
moving erratically from side to side (e.g., tennis 
players). If the subject leaves the viewfinder, 
remove your finger from the shutter-release button 
and recompose the photograph with the subject in 
the selected focus point.
Option
Description