Canon PowerShot SD870 IS PowerShot SD870 IS DIGITAL ELPH / DIGITAL IXUS 860 IS - Page 106

104 Various Shooting Methods Adjusting the ISO Speed See Functions Available in Each Shooting Mode (p. 238). 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. 1 Press the button. 1. Use the or button to change the ISO speed. • You can advance to the next option each time you press the button. • Selecting (Auto) puts priority on image quality in setting the optimal ISO speed for the light level when shooting. Since the ISO speed setting will automatically be raised in dark places, the camera will select a faster shutter speed and reduce the chances of camera shake. • Selecting (High ISO Auto)* sets a higher sensitivity than for . As the shutter speed becomes even faster, camera shake and blurred photos caused by subject movement will be reduced even more than when shooting the same scene in . * Noise may increase in the captured image compared to . • When in (Auto) shooting mode, only or can be selected. • and cannot be selected in Long Shutter mode (p. 109). z The camera automatically applies noise reduction processing when you shoot at a high ISO speed. z If the camera is set at or , the ISO speed automatically set by the camera will be displayed when pressing shutter button halfway or in playback information.