Canon PowerShot SX400 IS User Manual page 104

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Changing the ISO Speed
AUTO
100, 200
400, 800
1600
●
To view the automatically determined ISO speed when you have
set the ISO speed to [AUTO], press the shutter button halfway.
●
Although choosing a lower ISO speed may reduce image
graininess, there may be a greater risk of subject and camera
shake in some shooting conditions.
●
Choosing a higher ISO speed will increase shutter speed, which
may reduce subject and camera shake and increase the flash
range. However, shots may look grainy.
Automatically adjusts the ISO speed to suit the
shooting mode and conditions.
Low
Slightly Low
Slightly High
Still Images
●
Press the [ ] button, choose
[ ] in the menu, and choose the
desired option ( = 47).
● The option you configured is now
displayed.
For shooting outdoors in fair
weather.
For shooting in cloudy
conditions, or at twilight.
For shooting night scenes, or
in dark rooms.
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