Setting ISO speed (PowerShot SX170 IS)

Last Updated : 22-Aug-2013
Issue Number : 8201888300

Solution

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.

IMPORTANT

The following explanations are provided based on the assumption that the [Shooting Mode] is set to [Program AE] ().
To set the [ISO Speed], it is necessary to set the [Shooting Mode] to one of the following modes:

- [Manual] (

), [Aperture Priority] (

), [Shutter Speed Priority] (

), [Program AE] (

).

1. Press the <Power> button to turn the camera on.

2. Press <

>.

3. The following screen appears on the LCD monitor.

Press the <

><

> buttons or turn <

> dial until the desired [ISO speed]* is displayed.

The option you configured is now displayed.

* 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.

4. Press <

>.

Guidelines for changing the ISO speed
	Automatically adjusts the ISO speed to suit the shooting mode and conditions.
	Low High	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 (when the [ISO Speed] is set to 400).

NOTE

To view the automatically set ISO speed when the camera is set to [ISO Auto ] (), press 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.