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48
Polaroid i639 Digital Camera User Guide
www.polaroid.com
49
Polaroid i639 Digital Camera User Guide
www.polaroid.com
• Setting the ISO
This function enables you to change the camera’s sensitivity to light by
selecting the different ISO values. ISO is a measure of how quickly your
camera reacts to light. The higher the ISO value, the less light the camera
needs to make an exposure, allowing the same exposure to be achieved
with higher shutter speeds or smaller apertures. In a digital camera, higher
ISO value allows higher shutter speed, at the expense of mottled or grain
appearing in the final picture.
ISO
AUTO
50
ISO 50
100
200
1. Set the camera to Still Image mode.
2.
Press the
button.
3.
Press the
or
button to select “ISO”.
4.
Press the
or
button to select the desired setting.
5.
Press the
button.
AUTO
The camera’s sensitivity is automatically changed by
different lighting value or subject brightness.
50/100/200
In the same lighting condition, the higher the ISO value
is, the faster the shutter speed will be.