As far as I know it just turns up the "gain" ie it amplifies the output from the chip. I expect that the increased "grain" you are seeing is actually increased noise.
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Best,
Francis Newman
Webshot Ltd, UK
On Wednesday, February 19, 2003, at 04:57 PM, Janus van Helfteren wrote:
When one adjusts 'iso' setting on , say, an S2 , what actually happens.
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