Nikon NIKKOR Z 600mm f/4 TC VR S Lens (Z) - Manual (Page 48)

Technical Notes
Cameras with AF-Assist Illuminators
The lens or lens hood may block the light from the camera AF-assist illuminator.
• For the information on using the lens with cameras that have built-in AF-assist
illuminators, visit the site below.
https://downloadcenter.nikonimglib.com/
48
Cameras with AF-Assist Illuminators