A2: Af-S Priority Selection; A3: Focus Tracking With Lock-On; [Af-S Priority Selection]; [Focus Tracking With Lock-On] - Nikon Z 6II Reference Manual

a2: AF-S Priority Selection

Choose whether photos can be taken before the camera
focuses when AF-S is selected.
Option
G
[Release]
F [Focus]

a3: Focus Tracking with Lock-On

Choose how quickly focus responds if
something passes between the subject
and the camera when AF-C is selected
for the focus mode.
•
Choose [5 (Delayed)] to help maintain
focus on your original subject.
•
Choose [1 (Quick)] to make it easier to shift focus to objects
crossing your field of view.
•
If [Auto-area AF], [Auto-area AF (people)], or [Auto-area AF
(animals)] is selected for AF-area mode, blocked shot AF
response will function in mode [3] when [2] or [1 (Quick)] is
selected.
A Custom Settings: Fine-Tuning Camera Settings
382
G button U A Custom Settings menu
Photos can be taken whenever the shutter-
release button is pressed (release priority).
Photos can be taken only when the camera is in
focus (focus priority).
G button U A Custom Settings menu
Description