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Canon

What is ISO speed?

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Wiki User
12/28/2007

ISO speed denotes the sensitivity of the film or the sensor in your camera... For example would be, you would use ISO 100 or ISO 200 for shooting pics in the daylight, while you would use ISO 400 for indoor and evening shots. And ISO 800 for night shots. However, you need to realise that in digital cameras, higher ISO speeds of 800 and more gives a lot of digital noise, because of higher sensor voltages. Ronnie --- http://www.propix.in