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Af-area mode – Nikon D3100 User Manual

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AF-Area Mode

Choose how the focus point for autofocus is selected. Note that

f (3D-tracking

(11 points)) is not available when AF-S is selected for focus mode.

1

Place the cursor in the information display.

If shooting information is not displayed in the monitor, press the

P button.

Press the

P button again to place the cursor in the information display.

2

Display AF-area mode options.

Highlight the current AF-area mode in the
information display and press

J.

Option

Description

c Single-point AF

User selects focus point using multi selector (

0 60); camera focuses

on subject in selected focus point only. Use with stationary subjects.

d Dynamic-area AF

In AF-A and AF-C focus modes

, user selects focus point manually (

0 60), but

camera will focus based on information from surrounding focus
points if subject briefly leaves selected point. Use with erratically
moving subjects. In AF-S focus mode, user selects focus point manually
(

0 60); camera focuses on subject in selected focus point only.

e Auto-area AF

Camera automatically detects subject and selects focus point.

f

3D-tracking
(11 points)

In AF-A and AF-C focus modes

, user selects focus point using multi selector

(

0 60). 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. If subject
leaves viewfinder, remove your finger from shutter-release button
and recompose photograph with subject in selected focus point.

Information display

P button