Canon EOS M200 Advanced User Guide - Page 176

AF Method Tapping a Face for Focus Tapping a face or subject to focus on changes the AF point to [ ] and focuses where you tap. Even if the face or subject moves on the screen, the AF point [ ] moves to track it. zzIf the subject's face is significantly out of focus, face detection will not be possible. Adjust the focus manually (=187) so that the face can be detected, then perform AF. zzAn object other than a human face may be detected as a face. zzFace detection will not work if the face is very small or large in the picture, too bright or too dark, or partially hidden. zzAF cannot detect subjects or people's faces at the edges of the screen. Recompose the shot to center the subject or bring the subject closer to the center. zzThe [p] may cover only a part of the face, not the whole face. zzThe size of the AF point changes depending on the subject. 176