Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 360)

3.
Focus and record the movie.
Same as steps 2 and 3 for / Autoexposure Recording .
Caution
Avoid adjusting the aperture value while recording movies, which will record
changes in exposure caused by aperture adjustment.
Note
Notes for [ ], [ ], [ ], and [ ] modes
You can lock the exposure (AE lock) by pressing the < > button (except in [ ]
mode). After locking, AE lock can be canceled by pressing the < > button again.
Exposure compensation can be set in a range of up to ±3 stops by turning the
<
> dial (except in [ ] mode).
In [ ] and [ ] mode, the ISO speed, shutter speed, and aperture value are not
recorded in movie Exif information.
The camera is compatible with Speedlite functionality to activate the LED light
automatically under low light when recording movies in [
], [ ], [ ], and [ ]
modes. For details, refer to the Instruction Manual of the EX series Speedlite
equipped with an LED light.
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