On Thu, 06 May 2010 00:24:07 +0200, Darren New <dne### [at] sanrrcom> 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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