Color - On The Effects Of Lighting - Sony Cyber-shot DSC-W5 User's Manual / Troubleshooting

Adjusting the ISO sensitivity
ISO is unit of measurement (sensitivity), estimating how much light an image pickup device
(equivalent to photo films) receives. Even when the exposure is the same, images differ
depending on the ISO sensitivity.
[ISO] adjusts the sensitivity t page 33
Color
The apparent color of the subject is affected by the lighting conditions.
Example: The color of an image affected by light sources
Weather/lighting
Characteristics of
light
The color tones are adjusted automatically in the auto adjustment mode.
However, you can adjust color tones manually with [White Bal] (page 33).
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High ISO sensitivity
Records a bright image even when shooting in a dark location. However, the
image tends to become noisy.
Low ISO sensitivity
Records a smoother image.
However, the image may become darker.
On the effects of lighting
Daylight
White (standard)
Cloudy Fluorescent
Bluish Blue-tinged
Incandescent
Reddish