Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 492)

Tracking with a Button
You can press a button assigned to [ Start/stop whole area AF tracking ] in [ :
Customize buttons ] to track subjects with a tracking frame [ ]. This example is based on
assigning the < > button ( ).
1.
Check the tracking frame.
A tracking frame appears after you aim the camera at a subject.
Aim the AF point over the subject if you have selected an option other
than [
Whole area AF ] in [ : AF area ].
With Expand AF area: or Expand AF area: Around, adjacent AF
points are also displayed.
With Flexible Zone AF, the specified Zone AF frame is displayed.
2.
Press the < > button.
The tracking frame changes to [ ], which locks on to that subject for
tracking and follows the subject within the screen if it moves. To cancel
tracking, press the <
> button again.
The tracking frame changes to [ ] when multiple subjects can be
detected, and you can use < > to choose a subject to focus on.
Once tracking begins, the subject is tracked across the entire screen,
regardless of the specified AF area.
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