Shooting With Servo Af; Changing The Focus Setting - Canon PowerShot SX400 IS User Manual

● [Servo AF] ( = 57) is set to [On] and cannot be changed.
● Tracking may not be possible when subjects are too small or
move too rapidly, or when subject color or brightness matches
that of the background too closely.
● [AF-Point Zoom] on the [
● [ ] and [ ] are not available.
● 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.

Shooting with Servo AF

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.
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] tab ( = 25) is not available.
Still Images Movies
1
Configure the setting.
● Press the [ ] button, choose [Servo
AF] on the [ ] tab, and then choose [On]
( = 25).
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
specified AF frame mode.
● If adequate exposure cannot be obtained, shutter speeds and
aperture values are displayed in orange. Release the shutter
button, and then press it halfway again.
● AF lock shooting is not available.
] tab ( = 25) is not available.
● [AF-Point Zoom] on the [
Not available when using the self-timer ( = 33).
●

Changing the Focus Setting

You can change default camera operation of constantly focusing on
subjects it is aimed at, even when the shutter button is not pressed.
Instead, you can limit camera focusing to the moment you press the
shutter button halfway.
● Press the [
[Continuous AF] on the [
choose [Off] ( = 25).
Helps avoid missing sudden photo opportunities, because
On the camera constantly focuses on subjects until you press
the shutter button halfway.
Conserves battery power, because the camera does not
Off
focus constantly.
Before Use
Basic Guide
Advanced Guide
1
2
3
4
5
Still Images Movies
6
7
8
] button, choose
] tab, and then
Index
Camera Basics
Auto Mode
Other Shooting Modes
P Mode
Playback Mode
Setting Menu
Accessories
Appendix
57