Nikon S3100 - Manual (Page 62)

50
Changing A (Auto) Mode Settings (Shooting Menu)
More on
Sh
ooting
Autofocus Mode
Choose how the camera focuses.
B
Note on Autofocus Mode
There are functions with which this setting cannot be enabled. See “Camera Settings that Cannot Be
Applied Simultaneously” (
A 51) for more information.
B
Note on the Autofocus Mode Setting for Subject Tracking Mode
Autofocus mode can be set for subject tracking mode. The default setting in subject tracking
mode is
Full-time AF. Autofocus mode can be set independently for both subject tracking mode
and A (auto) mode.
D
Autofocus Mode for Movie Recording
Autofocus mode for movie recording can be set with
Autofocus mode (A 119) in the movie
menu ( A 117).
A (auto) M d (Shooting menu) M Autofocus mode
A Single AF (default setting)
The camera focuses when the shutter-release button is pressed halfway.
B Full-time AF
The camera focuses continuously until the shutter-release button is pressed down
halfway. Use with moving subjects. The sound of lens drive movement will be heard
while the camera focuses.