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Re: filmscanners: Scanner resolution (was: BWP seeks scanner)

On Mon, 18 Jun 2001 09:54:10 -0400  Dave King (kingphoto@mindspring.com) 

> I get considerably smoother tonality with the Agfa T-2500 than the
> Nikon LS-30, but since I obviously can't attribute this to resolution
> I was thinking the light source type is responsible.

It probably does play a part IMO, but it's very difficult to attribute 
such differences with certainty as both scanners are a complex system of 
optical, electronic and software components, and perhaps even different 
design aims and optimisations. cf.eg. Nikon/Canon vs. Leitz lenses - I can 
imagine that biting image sharpness would be a Nikon scanner 
design priority, due to the market position they inhabit. Sadly I don't 
see how anyone can rigorously deconstruct all this without a well equipped 
lab and the sort of resources that the mfrs. had in the first place - 
about all we mug punters can do is try and characterise the overall system 
so we know what we're getting.


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


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