Nikon Z9 Mirrorless Camera - Manual (Page 609)

609 A Custom Settings: Fine-Tuning Camera Settings
Choose whether the built-in AF-assist illuminator lights to assist the
focus operation in photo mode when lighting is poor.
D The AF-Assist Illuminator
• The AF-assist illuminator has a range of about 1–3 m (3 ft 4 in.–9 ft 10 in.).
• Remove lens hoods when using the illuminator.
• Do not obstruct the AF-assist illuminator while it is lit.
a12: Built-in AF-Assist Illuminator
G button
U A Custom Settings menu
Option Description
[ ON ]
In photo mode, the illuminator will light as required when AF-
S is selected for focus mode.
[ OFF ]
The illuminator does not light to assist the focus operation.
The camera may not be able to focus when lighting is poor.