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Old Mar 8, 2008, 8:30 PM   #11
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You have been experimenting, asking questions, and getting good answers. To improve your experimenting, you should get an EXIF viewer. That will tell you what f/stop, shutter speed, ISO, settings for:contrast, saturation, gama, ... To find an EXIF viewer, ask in the forum for your specific camera.

As a geezer who recalls ASA 10 Kodachrome, I refer to a change of one stop to mean a factor of two in exposure. That means a factor of two change in either the ISO or shutter speed. Or a change of the f/number by a factor of the square root of two.
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