Pentax Optio E50 Operating Manual page 55

The size and location of the focus frame change while the camera
continues to adjust the focus on the moving subject's face.
4
Press the shutter release button halfway.
The focus frame on the LCD monitor turns green if the subject is in
focus. When there are multiple faces, the focus frame with the
brackets displayed in Step 3 turns green if the main subject's face is in
focus.
5
Press the shutter release button fully.
The picture is taken.
The Face Recognition may not work if the subject is wearing
sunglasses, has part of the face covered, or is not looking toward the
camera.
• When the camera does not recognize the subject's face, the
camera will focus on the subject using the AF mode selected in
[AF Mode] on the [A Rec. Mode] menu.
• When there are multiple faces, the camera will first recognize the
subject's face that looks closer to the center of the LCD monitor
and larger compared with the other ones as the main subject's
face.
4
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