Canon SX170 8410B001 User Manual page 60

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Face AiAF
Detects people's faces, and then sets the focus, exposure (evaluative
metering only), and white balance ([
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.
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
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.
Still Images
Movies
] only).
(=
61) is set to [On], the
Choosing Subjects to Focus On (Tracking AF)
Shoot after choosing a subject to focus on as follows.
1
Choose [Tracking AF].
z
z
Follow the steps in "Changing the AF
Frame Mode"
[Tracking AF].
z
z
[
screen.
2
Choose a subject to focus on.
z
z
Aim the camera so that [
desired subject, and then press the <q>
button.
z
z
When the subject is detected, the camera
beeps and [
subject moves, the camera will continue
to track the subject within a certain range.
z
z
If no subject is detected, [
displayed.
z
z
To cancel tracking, press the <q> button
again.
Still Images
(=
59) to choose
] is displayed in the center of the
] is on the
] is displayed. Even if the
] is
Cover
Before Use
Common Camera
Operations
Basic Guide
Advanced Guide
1
Camera Basics
2
Auto Mode
3
Other Shooting
Modes
4
P Mode
5
Tv, Av, and M
Mode
6
Playback Mode
7
Setting Menu
8
Accessories
9
Appendix
Index
60

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