Canon EOS R50 Advanced User's Manual page 423

3.
Aim the camera at the subject.
An AF point is displayed around their eye.
To choose an eye when [
the screen.
If your selected eye is not detected, an eye to focus on is selected
automatically.
To choose an eye to focus on if [
set to [Whole area AF], you can use the <
on the [Eye detection] setting.
4.
Take the picture.
Caution
Depending on the subject and shooting conditions, subject eyes may not be
detected correctly, or a subject's left or right eye may not be prioritized correctly.
Eyes are not detected when [
: AF area] is set to [Whole area AF], tap
] is displayed, with [
: Subject to detect] is set to [None].
423
: AF area]
>< > keys, depending