Nikon Coolpix A300 - Manual (Page 126)

111
Using the Menu
The Movie Menu
Autofocus Mode
Set how the camera focuses in movie mode.
Enter shooting mode
M d button M D menu icon M Autofocus mode M
k button
Option Description
A Single AF
(default setting)
Focus is locked when movie recording starts.
Select this option when the distance between the camera
and subject will remain fairly consistent during movie
recording.
B Full-time AF
The camera focuses continuously during movie recording.
Select this option when the distance between the camera
and subject will change significantly during recording. The
sound of the camera focusing may be heard in the recorded
movie. Use of Single AF is recommended to prevent the
sound of the camera focusing from interfering with
recording.