Af-Area Mode - Nikon D5100 Reference Manual

AF-Area Mode

Choose how the focus point for autofocus is selected. Note that d (Dynamic-area
AF) and f (3D-tracking (11 points)) are not available when AF-S is selected for
focus mode.
Option
c Single-point AF
d Dynamic-area AF
3D-tracking
z
f
(11 points)
e Auto-area AF
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.
3
Choose an AF-area mode.
Highlight an AF-area mode and press J. To
return to shooting mode, press the shutter-
release button halfway.
42
User selects focus point using multi selector (0 43); 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 using multi selector
(0 43), but camera will focus based on information from surrounding
focus points if subject briefly leaves selected point. Use with
erratically moving subjects.
In AF-A and AF-C focus modes, user selects focus point using multi selector
(0 43). 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.
Camera automatically detects subject and selects focus point.
Information display
Description
P button