Nikon D5100 User Manual page 40

Focus
This section describes the focus options available when photographs are framed in
the viewfinder.
Focus Mode
Choose from the following focus modes. Note that AF-S and AF-C are available only in
modes P, S, A, and M.
Option
I
Description
E8
AF-( Continuous-
servoAF
Camera automatically selects single-servo autofocus if subject is
AF-A Auto-servo ' I stationary, continuous-servo autofocus if subject is moving. Shutter can
AF J
only be released if camera is able to focus.
AF-S Single-servo
I
For stationary subjects. Focus locks when shutter-release button is
AF
I
pressed halfway. Shutter can only be released if camera is able to focus.
I -
I
For moving subjects. Camera focuses continuously while shutter-
I
release button is pressed halfway. If subject moves, camera will engage
I
predictive focus tracking to predict final distance to subject and adjust
Ifocus as necessary. At default settings, shutter can only be released if
I
camera is able to focus.
MF
M
If
I
Focus using the lens focus ring (ifthe lens is equipped with an M/A-M or
anua _
OC_~~J
A-M mode switch, slide the switch to
M
before focusing).
1
Place the cursor in the information display.
If shooting information is not displayed in the monitor, press the
~II~
button.
Press the
~II~
button again to place the cursor in the information display.
2
Display focus-mode options.
Highlight the current focus mode in the
information display and press
@.
32