Configuring the ISO Speed Settings (PowerShot SX420 IS)

Article ID: ART164271 | Date published: 01/11/2016 | Date last updated: 01/11/2016


Configuring the ISO Speed Settings (PowerShot SX420 IS)


Raise the [ISO speed] to use a fast shutter speed when you wish to reduce the effects of camera shake or avoid blurry subjects, or to turn the flash off when shooting in a dark area.

  • The following section explains the setting procedures when the camera‚Äôs shooting mode has been set to [Program AE] ( ).
  • In some shooting modes it may not be possible to set the [ISO speed].
  • To set the [ISO Speed], it is necessary to set the [Shooting Mode] to one of the following modes:
-[Program AE] (), [Long Shutter] ()*
*[ ] cannot be set in [Long Shutter] mode.

1. Press the [Power] button to turn the camera on.

2. Press the [ ] buttons to choose [ ] in the menu.

  • If the default settings have not been changed, [AUTO] ( ) will be displayed.

3. Press the [ ] button to access the setting screen, press the [ ], [ ] buttons to select the ISO speed, and then press the [ ] button.

  • Overview of ISO Speed Settings
Automatically adjusts the ISO speed to suit the shooting mode and conditions.
LowFor shooting outdoors in fair weather.
Slightly LowFor shooting in cloudy conditions, or at twilight.
For shooting night scenes, or in dark rooms.For shooting night scenes, or in dark rooms.
*Choose a higher ISO speed for higher sensitivity, or a lower value for lower sensitivity.

4. When you configure the settings, the ISO speed you have selected appears on the screen.

  • 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 to reach distant subjects; however, in this case, images will look grainy.



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