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#1
June 14th 18, 06:48 PM
posted to rec.photo.digital
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Meaning of ISO value in digital photography?
In film cameras, ISO referrs to the sensitivity to light of the emulsion.
Manufacturers formulate different film emulsions with different sensitivites tarding increased grain with increased ISO speed. In a digital camera, presumably the sensor does not adjust itself to have greater sensitivity. Or does it? So what is happening in a digital camera when I choose a greater ISO setting? Is more amplification being used? I tried to understand this page but it got far too technical.... https://photography.tutsplus.com/art...n--photo-11963 
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