Canon EOS R5 C VR Creator Kit with RF 5.2mm f/2.8 Dual Fisheye Lens - Manual (Page 336)

Switching tracked subjects
You can specify how easily the camera switches AF points to track subjects.
Applies to Face+Tracking, Zone AF, or Large Zone AF (vertical or horizontal) AF methods.
• Initial priority
Tracks the subject initially determined for AF, to the extent possible.
• On subject
Tracks the main subject initially determined for AF, to the extent possible. Switches to
other subjects if the camera can no longer determine if the tracked subject is the main
subject.
• Switch subject
Switches to track other subjects in response to shooting conditions.
Caution
Precautions when set to [Initial priority]
The camera may not be able to continue tracking subjects under some subject
conditions.
• If subjects move vigorously
• If subjects face a different direction or change their posture
• If AF points stray from subjects, or if subjects are hidden behind obstructions
and you can no longer see them
Subjects selected by touch are tracked to the extent possible, regardless of the
[
Subject to detect ] setting.
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