Setting ISO speed (PowerShot ELPH 310 HS / IXUS 230 HS)
16-Sep-2011
8201262400
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
- Lowering the [ISO speed] results in sharper images, but there may be an increased chance of image blurring in certain shooting conditions.
- Raising the [ISO speed] results in a faster shutter speed, reducing image blurring and letting the flash reach greater distances to the subject. The images, however, will appear coarse.
- The following explanations are provided based on the assumption that the [Shooting Mode] is set to [Program] (
). - To set the [ISO Speed], it is necessary to set the [Shooting Mode] to one of the following modes.
- [Movie Digest] (
), [Program] ()
), [Program] ()1. Press the <Power> button on the camera.
2. Press the <FUNC./SET> (
) button.
) button.3. The following screen appears on the LCD monitor.
Operate the <directional buttons> up or down to select an [ISO AUTO] (
).
Press the <FUNC./SET> () button or the right <directional button> to display the list of [ISO Speed].4. Select the [ISO Speed].
Operate the <directional buttons> up or down to select an [ISO Speed]* of your choice.
After the selection is made, press the <FUNC./SET> button ().
).* The appropriate [ISO Speed] differs depending on shooting locations. 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 100], [ISO 200], etc., and then set the [ISO Speed] when the camera shake warning icon () disappears.
) appears when you press the <Shutter Button> halfway, it is recommended to gradually raise the ISO speed in increments such as [ISO 100], [ISO 200], etc., and then set the [ISO Speed] when the camera shake warning icon () disappears.| Guidelines when changing the ISO speed | |
|---|---|
 | Automatically adjusts the ISO speed to the Shooting mode and shooting conditions. |
  | Fine weather conditions, outdoor shooting. |
  | Cloudy, twilight |
  | Nightscapes, dark interiors |
5. If the following icon is shown, the setting is complete (if setting [ISO Speed] to 400).
NOTE
When the camera is set to [ISO AUTO] (), you can press the shutter button halfway to display the automatically set ISO speed.
), you can press the shutter button halfway to display the automatically set ISO speed.REFERENCE
- With [Low Light] (
) you can set an even faster speed. - In [Low Light] mode, depending on the scene, the [ISO speed] is set higher and the shutter speed is set faster than in [AUTO] (
) mode so that you can shoot in dark places with reduced camera shake and subject blur. This mode is recommended for shooting in candlelit or similarly lit scenes. - When [Low Light] mode is set, recording pixels are fixed to (
) size.