Maybe it's a question of a pixel density/noise crossing point? 
The more pixels the more noise?

Jack?
--- graywolf <[EMAIL PROTECTED]> wrote:

> Are you asking at what point the signal-to-noise ratio becomes more 
> importatant than pixel count?
> 
> Sounds like a pretty simple question, but it is not. A small sensor
> 2mp 
> camera is adequate for web use. An astronomer wants a camera that is
> not 
> going to generate a noise pixel when the point sources he is 
> photographing may only be one pixel wide (I believe they work around 
> that by comparing multiple images taken a few minutes apart. The
> stars 
> seem to move the noise usually doesn't). I think that right now in 
> consumer grade sensors a 6mp APS size sensor is about optimum which
> may 
> explain why the  makers don't seem to be in any great hurry to
> increase 
> megapixel counts on the semipro cameras.
> 
> graywolf
> http://www.graywolfphoto.com
> "Idiot Proof" <==> "Expert Proof"
> -----------------------------------
> 
> 
> 
> Bill Owens wrote:
> 
> > Where is the crossover point where sensor size overtakes the number
> of 
> > megapixels in regards to final print quality.
> >
> > Bill
> >
> >
> 
> 



                
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