Canon PowerShot D20 - Manual (Page 112)

Shooting Range and Focusing
112
Change the AF (auto focus) frame mode to suit the shooting conditions as
follows.
Press the n button, choose [AF Frame]
on the 4 tab, and then choose the desired
option (p. 42).
• Detects people’s faces, and then sets the focus, exposure (evaluative
metering only), and white balance (
only).
• After you aim the camera at the subject, a white frame is displayed around
the person’s face determined by the camera to be the main subject, and up
to two gray frames are displayed around other detected faces.
• When the camera detects movement, frames will follow moving subjects,
within a certain range.
• After you press the shutter button halfway, up to nine green frames are
displayed around faces in focus.
Changing the AF Frame Mode
Still Images Movies
Face AiAF
• If faces are not detected, or when only gray frames are displayed
(without a white frame), up to nine green frames are displayed in the
areas in focus when you press the shutter button halfway.
• If faces are not detected when Servo AF (p. 115) is set to [On], the AF
frame is displayed in the center of the screen when you press the
shutter button halfway.
• Examples of faces that cannot be detected:
- Subjects that are distant or extremely close
- Subjects that are dark or light
- Faces in profile, at an angle, or partly hidden
• The camera may misinterpret non-human subjects as faces.
• No AF frames are displayed if the camera cannot focus when you
press the shutter button halfway.
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