Nikon Zfc Mirrorless Camera with 28mm Lens - Manual (Page 351)

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Custom Settings: Fine-tuning camera settings
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･ While low-light AF is in effect, “Low-light” will appear in the display.
The display refresh rate may drop.
a11: Built-in AF-assist illuminator
G button U A
Custom Settings menu
Choose whether the built-in AF-assist illuminator lights to assist the
focus operation in photo mode when lighting is poor.
Option Description
[On]
In photo mode, the illuminator will light as required when AF-S is
selected for focus mode or when AF-A is selected and you are
shooting in AF-S.
[Off]
The illuminator does not light to assist the focus operation. The
camera may not be able to focus 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.