Choose whether the built-in AF-assist illuminator lights to assist the focus operation in photo mode when lighting is poor.

Option Description
On The illuminator lights as required (AF-S focus mode only).
Off The illuminator does not light to assist the focus operation. The camera may not be able to focus when lighting is poor.

The AF-Assist Illuminator

The AF-assist illuminator has a range of about 1–3 m (3 ft 4 in.–9 ft 10 in.); when using the illuminator, remove the lens hood. Do not obstruct the AF-assist illuminator while it is lit.

A Custom Settings: Fine-Tuning Camera Settings

a: Autofocus

b: Metering/exposure

c: Timers/AE lock

d: Shooting/display

e: Bracketing/flash

f: Controls

g: Movie