Canon PowerShot A2500 User Manual page 50

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Changing the ISO Speed
z
z
Press the <m> button, choose [
the menu, and choose the desired option
(=
25).
X
X
The option you configured is now
displayed.
Automatically adjusts the ISO speed to suit the shooting mode and
conditions.
For shooting outdoors in fair weather.
Low
For shooting in cloudy conditions, or at twilight.
High
For shooting night scenes, or in dark rooms.
To view the automatically set ISO speed when the camera is set to [
the shutter button halfway.
Although choosing a lower ISO speed may reduce image graininess, there
may be a greater risk of subject blurriness in some shooting conditions.
Choosing a higher ISO speed will increase shutter speed, which may reduce
subject blurriness and increase the flash range. However, shots may look
grainy.
Still Images
Correcting Image Brightness (i-Contrast)
Before shooting, excessively bright or dark image areas (such as faces or
] in
backgrounds) can be detected and automatically adjusted to the optimal
brightness. Insufficient overall image contrast can also be automatically
corrected before shooting to make subjects stand out better.
Under some shooting conditions, correction may be inaccurate or
may cause images to appear grainy.
], press
You can also correct existing images
Still Images
z
z
Press the <n> button, choose
[i-Contrast] on the [4] tab, and then
choose [Auto]
(=
26).
X
X
Once the setting is complete, [@] is
displayed.
(=
70).
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
50

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