Af-Area Mode - Nikon D3100 User Manual

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.
Option
c Single-point AF
d Dynamic-area AF
e Auto-area AF
3D-tracking
f
(11 points)
1
Place the cursor in the information display.
If shooting information is not displayed in the monitor, press the P button.
z
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.
58
User selects focus point using multi selector (0 60); camera focuses
on subject in selected focus point only. Use with stationary subjects.
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.
Camera automatically detects subject and selects focus point.
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
Description
P button