Canon PowerShot A2500 User Guide - Page 55

Lock the focus., Compose the shot and shoot.

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• 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. • [AF-Point Zoom] on the [4] tab is not available. • Not available when using the self-timer (=33). Still Images Changing the Focus Setting Movies 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. zzPress the button, choose [Continuous AF] on the [4] tab, and then choose [Off] (=26). Helps avoid missing sudden photo On opportunities, because the camera constantly focuses on subjects until you press the shutter button halfway. Off Conserves battery power, because the camera does not focus constantly. Still Images Shooting with the AF Lock Movies The focus can be locked. After you lock the focus, the focal position will not change even when you release your finger from the shutter button. 1 Lock the focus. zzWith the shutter button pressed halfway, press the button. XXThe focus is now locked, and [%] is displayed. zzTo unlock the focus, release the shutter button and press the button again. In this case, [%] is no longer displayed. 2 Compose the shot and shoot. Cover Preliminary Notes and Legal Information Contents: Basic Operations Basic Guide Advanced Guide 1 Camera Basics 2 Smart Auto Mode 3 Other Shooting Modes 4 P Mode 5 Playback Mode 6 Setting Menu 7 Accessories 8 Appendix Index 55

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55
1
2
3
4
5
6
7
8
Cover
Preliminary Notes and
Legal Information
Contents:
Basic Operations
Advanced Guide
Camera Basics
Smart Auto
Mode
Other Shooting
Modes
P Mode
Setting Menu
Accessories
Appendix
Index
Basic Guide
Playback Mode
Still Images
Movies
Shooting with the AF Lock
The focus can be locked. After you lock the focus, the focal position will not
change even when you release your finger from the shutter button.
1
Lock the focus.
z
With the shutter button pressed halfway,
press the <
q
> button.
X
The focus is now locked, and [
%
] is
displayed.
z
To unlock the focus, release the shutter
button and press the <
q
> button again. In
this case, [
%
] is no longer displayed.
2
Compose the shot and shoot.
•
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.
•
[AF-Point Zoom] on the [
4
] tab is not available.
•
Not available when using the self-timer (
=
33).
Still Images
Movies
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.
z
Press the <
n
> button, choose
[Continuous AF] on the [
4
] tab, and then
choose [Off] (
=
26).
On
Helps avoid missing sudden photo
opportunities, because the camera
constantly focuses on subjects until you
press the shutter button halfway.
Off
Conserves battery power, because the
camera does not focus constantly.