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Originally Posted by greencreeper
What's an ISO when it's at home
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Not sure if that was a question or not in the context you wrote it....if it wasn't ignore me.
If it was, then it's International Standards Organisation, and when it comes to cameras it is to do with sensitivity to light. A digitial ISO is the equivalent to film speed ISO's - so in low light you'd use a faster film (faster to react to the light) like ISO800 or ISO400. The higher the number, the faster the film (or sensor). Also the faster it is then the more noise there is on the shot - so whilst you may be able to take a shot without flash at dusk, it will be grainy in appearance.
Well you asked
