Canon EOS R5C Manual page 430

3.
Adjust the image.
Select [
Adjust the image, then press <
(1) Use <
(2) represents the position of the selected face. By adjusting (1) relative
to (2), you can adjust the direction of lighting. Overlapping positions of
(1) and (2) place the light source directly in front of the face.
You can also drag to adjust the direction of lighting.
(3) To set the light intensity (
the < > button.
(4) To set the light coverage (
< > button.
(5) For images with multiple human subjects, you can press the
< > button and turn the <
before you specify processing conditions. You can also tap the screen
to select a face.
], then press < >.
> to position the light source.
430
>.
low / standard /
spot / medium /
> dial to select a face for adjustment
high), press
wide), press the