Canon IXUS 275 HS Uživatelský manuál Strana 65

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65
Before Use
Basic Guide
Advanced Guide
Camera Basics
Auto Mode / Hybrid Auto
Mode
Other Shooting Modes
P Mode
Playback Mode
Wi-Fi Functions
Setting Menu
Accessories
Appendix
Index
Shooting with Servo AF
Still Images
Movies
This mode helps avoid missing shots of subjects in motion, because the
camera continues to focus on the subject and adjust the exposure as long
as you press the shutter button halfway.
1
Congure the setting.
Press the [ ] button, choose [Servo
AF] on the [ ] tab, and then choose [On]
(
=
27).
2
Focus.
The focus and exposure are maintained
where the blue AF frame is displayed
while you are pressing the shutter button
halfway.
Focusing may not be possible in some shooting conditions.
In low-light conditions, Servo AF may not be activated (AF frames
may not turn blue) when you press the shutter button halfway.
In this case, the focus and exposure are set according to the
specied AF frame mode.
If adequate exposure cannot be obtained, the shutter speed
and aperture value are displayed in orange. Release the shutter
button, and then press it halfway again.
[AF-Point Zoom] on the [
] tab (
=
27) is not available.
Not available when using the self-timer (
=
37).
The camera can detect subjects even if you press the shutter
button halfway without pressing the [
] button. After your shot,
[
] is displayed in the center of the screen.
Center
Still Images
Movies
One AF frame is displayed in the center. Effective for reliable focusing.
A yellow AF frame is displayed with [ ] if the camera cannot
focus when you press the shutter button halfway.
To reduce the AF frame size, press the [ ] button and set
[AF Frame Size] on the [
] tab to [Small] (
=
27).
The AF frame size is set to [Normal] when you use the digital
zoom (
=
36) or digital tele-converter (
=
63).
To compose shots so that subjects are positioned at the edge or
in a corner, rst aim the camera to capture the subject in an AF
frame, and then hold the shutter button halfway down. As you
continue to hold the shutter button halfway, recompose the shot
as desired, and then press the shutter button all the way down
(Focus Lock).
The AF frame position is enlarged when you press the shutter
button halfway with [AF-Point Zoom] (
=
43) set to [On].
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