Setting ISO speed (PowerShot ELPH 330 HS / IXUS 255 HS)

Article ID: ART138940 | Date published: 05/13/2015 | Date last updated: 08/17/2015


Setting ISO speed (PowerShot ELPH 330 HS / IXUS 255 HS)


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.
  • 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.
  • To set the [ISO Speed], it is necessary to set the [Shooting Mode] to [Program AE] ().

1. Press the power button to turn the camera on.

2. Press the <FUNC./SET> () button.

3. The following screen appears.

Press the <><> buttons to choose [ISO Speed] ().

Press the <FUNC./SET> () button, or the <> button to display the list of possible ISO speeds.

4. Choose the desired [ISO Speed].

* Select the appropriate [ISO Speed] for the shooting environment.
If the camera shake warning icon () appears when you press the <Shutter Button> halfway, it is recommended to gradually raise the ISO speed in increments such as [ISO 80], [ISO 100], etc., and then set the [ISO Speed] when the camera shake warning icon () disappears.
Guidelines for changing the ISO speed

Automatically adjusts the ISO speed to suit the shooting mode and conditions.


For shooting outdoors in fair weather.

For shooting in cloudy conditions, or at twilight.

For shooting night scenes, or in dark rooms.

5. If the following icon is shown, the setting is complete (if setting [ISO Speed] to 400).

When the camera is set to [ISO AUTO] (), you can press the shutter button halfway to display the automatically set ISO speed.



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