Adjusting The Iso Speed - Canon powershot SD870IS digital elph User Manual

EC231CUG-E.book Page 104 Thursday, June 7, 2007 10:22 AM
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
selected.
• and cannot be selected in Long Shutter mode (p. 109).
The camera automatically applies noise reduction
processing when you shoot at a high ISO speed.
If the camera is set at
automatically set by the camera will be displayed when
pressing shutter button halfway or in playback information.
.
or can be
or , the ISO speed
.