Panasonic Lumix DMC-GF3 Basic Owner's Manual page 140

The camera automatically detects the person's face. The focus and
exposure can then be adjusted to fit that face no matter what portion
of the picture it is in. (max. 15 areas)
When the camera detects a person's face, the AF area is displayed.
Yellow:
When the shutter button is pressed halfway, the frame turns green
when the camera is focused.
White:
Displayed when more than one face is detected. Other faces that are the same distance
away as faces within the yellow AF areas are also focused.
Note
•
Position and size of the AF area can be changed.
•
When [ ] is selected and [METERING MODE] is set to multiple [C], the camera will adjust
š
the exposure to suit the person's face.
•
Under certain picture-taking conditions including the following cases, the face detection
function may fail to work, making it impossible to detect faces. The AF Mode is switched to
[ ].
–
When the face is not facing the camera
–
When the face is at an angle
–
When the face is extremely bright or dark
–
When there is little contrast on the faces
–
When the facial features are hidden behind sunglasses, etc.
–
When the face appears small on the screen
–
When there is rapid movement
–
When the subject is other than a human being
–
When the camera is shaking
Recording
About [š] (Face Detection)
(P87)
(P128)
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