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The best processors will allow more accurate reproduction of colours, a wider range of tones and less image imperfections, in particular the artefacts known as ‘noise.’ This is, in effect, digital ‘grain’ . Digital cameras will often offer you the opportunity to pick film speed equivalents as well, and, just as with film, the faster speeds can often result in a mottled effect that has the appearance of grain. This effect is lowered dramatically by the combination of Canon CMOS sensors and processors such as DIGIC II.

This is a real advantage that the best digital cameras can offer over their film equivalents, and the fact that it’s possible to adjust the ISO speed from frame to frame if required, ensures ultimate flexibility and the guarantee that you will never be caught out by light conditions.