Nikon D7200 Manual De Usuario

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• 3D-tracking: Select the focus point as described on page 89. In 
AF-A
 and AF-C focus modes, the camera will track subjects that 
leave the selected focus point and select new focus points 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 viewfinder, remove your finger from the 
shutter-release button and recompose the photograph with 
the subject in the selected focus point.
• Auto-area AF: The camera automatically 
detects the subject and selects the 
focus point (in the case of portrait 
subjects, the camera is able to 
distinguish the subject from the 
background for improved subject 
detection). The active focus points are 
highlighted briefly after the camera focuses; in AF-C mode or 
when continuous-servo autofocus is selected in AF-A mode, the 
main focus point remains highlighted after the other focus 
points have turned off.
A
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 similar in color to the background or that occupy a 
very small area of the frame.