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[filmscanners] Re: Density vs Dynamic range



> If the term, "resolution," is not designated the same thing as
> indicated by
> ppi, dpi, line pairs, and numbers of pixels but  is being used
> differently
> or to designate something entirely different then knowing this is the
> case
> would reduce my confusion and clarify the comments for this layman.

I'm sorry if us electronics types have confused you (and probably
ourselves :-)

Resolution in photographic terms means, as you say, ppi etc.

Resolution also refers to the size of the steps in the "grey scale". An
8-bit gives 256 possible values - a resolution of 1/256.  A 14-bit system
gives 16384 possible values - a much finer resolution.

Peter, Nr Clonakilty, Co Cork, Ireland

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