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     áòèé÷ :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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RE: filmscanners: Re: bit depth and dynamic range



Jack writes ...

> ...
> Nikon scanner scans at 12 bits (12x3=36) and if you
> want the extra bit depth it stores at 16 bits (48 bits).
> So the file size increases by 100% (if it is a tif for
> example) while information increases by 50%. ...

        I have to ask what you are calling "information"?  A 50% increase
would seem to imply 8bit versus 12bit(?)  Whereas 256 values/channel
vs 4096 values would imply a 1600% increase in information(?)  I
probably misunderstood you somehwere(?)


shAf  :o)




 




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