Why can't the camera detect faces when shooting portraits? Tyler Updated January 24, 2017 22:53 Follow Make sure the face detection function is turned on. Make sure the subject's eyes are not covered by his/her hair. Make sure the subject's face is not covered by a hat, a mask or sunglasses. Make sure the subject's face is diagonal to the lens. Related articles Why are my photos blurry? Comments 0 comments Please sign in to leave a comment.