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RE: filmscanners: brief density math lesson...

On Fri, 15 Jun 2001 22:34:20 -0700  Roy Smyth (roysmyth@telus.net) wrote:

> This is a common misconception - relating bit depth to dynamic range.

Oh, chestnut time again! :)

> The number of bits that the A to D converter produces 
> determines how finely the range of the CCD is quantized

It also sets the maximum possible dynamic range (OD) which the system is 
capable of encoding. This is all about ratios linearly encoded.


Tony Sleep
http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner 
info & comparisons


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