Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 181)

3.
Recompose and take the picture.
When you are to take more pictures while maintaining the AE lock,
keep holding down the <
> button and press the shutter button to
take another picture.
Note
AE lock is not possible with bulb exposures.
Effect of AE Lock
Metering Mode
Selection
AF Point Selection
Automatic Selection Manual Selection
Exposure centered on the AF point in focus
is locked. Exposure centered on the selected AF point
is locked.
Center-weighted exposure is locked.
* Center-weighted exposure is locked when [ ] is set with the camera configured for manual
focusing ( ).
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