Canon EOS M50 Mark II Advanced User's Manual page 151

3.
Aim the camera at the subject.
An AF point is displayed around their eye.
You can also tap the screen to choose an eye.
If your selected eye is not detected, an eye to focus on is selected
automatically.
You can choose an eye or face to focus on with the <
when [
on the [Eye detection] setting.
4.
Take the picture.
Caution
Subject eyes may not be detected correctly, depending on the subject and shooting
conditions.
To cancel eye detection, set [
Note
You can switch the [Eye detection] setting by pressing the <
you have set [AF method] to [
pressing < >.
] is displayed after you press the <
: Eye detection] to [Disable].
+Tracking] on the Quick Control screen after
151
>< > keys
> button, depending
> button when