Nikon D3400 User Manual download pdf (Page 98)

74 More on Photography

AF-Area Mode

Choose how the focus point for autofocus is selected.

The

following options are available during viewfinder photography:

Note that d (Dynamic-area AF) and f (3D-tracking (11

points)) AF-area modes are not available when AF-S is selected

for focus mode.

Option Description

Single-point

For stationary subjects. Focus point is selected

manually; camera focuses on subject in selected

focus point only.

Dynamic-area

For non-stationary subjects. In AF-A and AF-C focus

modes, user selects focus point using multi

selector (0 76), but camera will focus based on

information from surrounding focus points if

subject briefly leaves selected point.

3D-tracking

(11 points)

In AF-A and AF-C focus modes, user selects focus point

using multi selector (0 76).

If subject moves

after camera has focused, camera uses 3D-

tracking to select new focus point and keep

focus locked on original subject while shutter-

release button is pressed halfway.

e Auto-area AF

Camera automatically detects subject and

selects focus point.

A 3D-Tracking (11 Points)

If subject leaves the viewfinder, remove your finger from the shutter-

release button and recompose the photograph with the subject in the

selected focus point.

Note that 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.

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Nikon D3400 User Manual Page 98