The AF-assist illuminator has a range of about 1.0–3.0 m (3 ft 4 in.–9 ft 10 in.). Some lenses may block the illuminator at certain focus distances.
Remove lens hoods when using the illuminator.
The following lenses interfere with AF-assist illumination:
Lenses that limit the range at which AF-assist illumination can be used for autofocus
NIKKOR Z 24–70mm f/2.8 S
AF-assist illumination cannot be used for autofocus at distances under 1.5 m (4 ft 12 in.)
NIKKOR Z 50mm f/1.2 S
NIKKOR Z 70–200mm f/2.8 VR S
AF-assist illumination cannot be used for autofocus at distances under 2.0 m (6 ft 7 in.)
For the latest information concerning limitations on AF-assist illumination, visit the Nikon Download Center: