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On Thu, 06 May 2010 00:24:07 +0200, Darren New <dne### [at] san rr com> wrote:
>
> Second, if you're talking about the ISO setting rather than the
> exposure, that's about how much you pre-bias the electrons in the
> sensor. Basically, you load up each pixel of the sensor with some
> electrons, and if light kicks out an electron, you add one to the
> intensity of the light there. Adding more electrons makes it easier to
> get kicked out.
No, there is no pre-bias; that is not how the sensors work. The ISO
setting only affects amplification of the analogue sensor output.
--
FE
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