From: Cory Papenfuss <[EMAIL PROTECTED]>
>These looks to me like not a noise problem, but a *signal* to
>noise problem.  Again, without a useful histogram, it's difficult to know
>if you got the bright parts exposed to the right.  By default, the RAW
>converters I've seen will gain up the entire image until the brightest
>part is "bright."  Some even ignore the top 1% or so of what's brightest
>and make the 99th percent "white" and blow out the top 1%  For stars and
>such that is definately unacceptable.
>

I agree that appears to be exactly what was happening.

>       A good example is your
>http://photo.net/photodb/photo?photo_id=6356709
>
>       Re-convert from RAW so that the white part of the moon isn't blown
>out (assuming it wasn't in the original RAW).  That'll reduce the black
>back down to the noise floor where it belongs.  If the moon is still too
>bright to make out the detail in the more dimly-lit parts (but isn't blown
>out in the brightest), then sorry, Charlie... not enough dynamic range to
>capture in one shot.
>
>-Cory
>
>

Thanks.

Tom C.



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