Re: [OM] Recommendations for compact digital camera

[Wayne Harridge]

> Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> 
> And the LX3 looks like it slipped a cog on the ISO wheel.  It's off by 
> nearly a stop.  Looks like K25 has returned at ISO 100.  And they didn't 
> 
> check the 5D at ISO "Lo" = 50.
> 

Just how is ISO determined for a digital camera ?  As I recall the ISO rating 
of a film is determined from the film's characteristic curve which is 
distinctly different to the curve (straight line !) of a digital sensor.

...Wayne

Wayne Harridge

http://lrh.structuregraphs.com
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