Af Assist - Nikon COOLPIX S6400 Reference Manual

AF Assist

Tap F M z (setup menu) M AF assist
Enable or disable AF-assist illuminator, which assists autofocus operation when the subject is
dimly lit.
Option
s Auto
(default setting)
p Off
AF-assist illuminator will be used to assist the focus operation when
the subject is dimly lit. The illuminator has a range of about 1.9 m (6 ft
3 in.) at the maximum wide-angle position and about 1.5 m (4 ft
11 in.) at the maximum telephoto position.
Note that for some scene modes (such as Museum (A46) and Pet
portrait (A49)) or focus areas, the AF-assist illuminator may not
light even when Auto is selected.
AF-assist illuminator does not light. The camera may be unable to
focus under dim lighting.
Description
E99