Mafud asks:

> Please explain to us all exactly ~what~ image data is not "useful" in a well 
> exposed, 60MB negative? 

 An unsharp negative will give you less "useful" data than a tak-sharp one.  
There might be no point scanning a soft neg past 2400dpi while a sharp one 
will give more and more detail up to about 4-6,000dpi (on a drum scanner).

Cheers,

- Dave

David A. Mann, B.E. (Elec)
http://www.digistar.com/~dmann/

"Why is it that if an adult behaves like a child they lock him up,
 while children are allowed to run free on the streets?" -- Garfield
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