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by decasteve
4669 days ago
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Analog vs Digital: A photo sensor in a digital camera is an analog device. The "digital" camera requires an ADC (Analog to digital Converter). Camera film records information digitally, the light sensitive film (silver halide) either lets light through, or it doesn't. Basically the silver halide crystal is either "on" or "off". |
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Correct!
>Camera film records information digitally, the light sensitive film (silver halide) either lets light through, or it doesn't. Basically the silver halide crystal is either "on" or "off".
Uh, no. There is a continuous range of the amount of light that is blocked by the film negative (for each layer). What you're describing would be something like 1bit color depth RGB.