Nikon Z8 Reference Manual page 24

3
If you are using auto capture for photographs, select
a continuous release mode: [Continuous high-speed],
[Continuous low-speed], [C30], [C60] or [C120].
If you are using auto capture to record videos, proceed to
Step 4.
If single-frame or self-timer mode is selected, the camera
will temporarily switch to continuous high-speed mode
when auto capture begins.
If you selected continuous low-speed or continuous high-speed mode, choose the frame
advance rate before proceeding.
4
Position the focus point.
Choose an AF-area mode and position the focus point in the area of the frame in which you
anticipate the subject will appear.
If autofocus is enabled, the camera will temporarily switch to focus mode AF‑C during auto
capture.
If [Auto-area AF] is selected for AF-area mode, the actual frame rate drops to 15 fps when a
frame advance rate of 20 fps is selected in continuous high-speed mode.
When using manual focus, slide the lens focus-mode switch to [M] and adjust focus
manually. Manual focus is available only with lenses equipped with a focus-mode switch.
5
Highlight [Auto capture] in the photo shooting or video
recording menu and press 2.
6
Choose [Select user preset], then highlight a destination
preset for the auto capture settings and press J.
Choose a destination from presets [User preset 1] through
[User preset 5].
24
New Menu Item: "Auto Capture"