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Re: filmscanners: Sharpness of color chrome vs color negative.



On Thu, 30 Aug 2001 08:04:39 -0400  Austin Franklin 
(darkroom@ix.netcom.com) wrote:

> What do people have to say about the differences in sharpness between 
> same
> ASA, same brand chrome vs color negative film?  My experience shows that 
> the
> chrome films are not as sharp as the negative films.

I think I would agree, though it wasn't the case a few years ago, when 
ISO100 slide seemed to be much sharper than col.neg. I think both have 
improved, but neg has improved more.

There isn't much in it though, and I'm limiting the verdict to Fuji, speed 
for speed. I have usually been less impressed by Kodak sharpness, though 
grain is sharper in their emulsions they seem to get more image diffusion - 
halation perhaps, or thicker emulsion layers, or just different grain 
technology?. All anecdotal and informal anyway, not measured or done with 
any rigour, and may be wrong.

OTOH I have some old Kodachrome 25 slides which probably exceed any E6 or 
C41 film. 

Regards 

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




 




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