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RE: T400CN was filmscanners: Grain, Noise, et al

On Tue, 17 Jul 2001 09:51:17 -0400  Norman Unsworth 
(unsworth_norman@aclink.org) wrote:

> I don't get it, Tony (and don't have a clue about what you're saying 
> about
> the technical stuff).

The coloured dye is, as far as I know, an anti halation coating. Most films 
have this, a special layer to stop light being reflected off the base back 
into the emulsion and causing a 'halo' around bright parts of the image.

> What's normal about prints with a pinkish cast?
That is a lab cock-up, a separate issue. If they are printing on colour 
paper, they have to use filters to cancel the residual dye colour. It's 
difficult to get a properly neutral greyscale, just as it is printing RGB 
scans of monochrome negs via inkjet. Usually C41 prints come out looking 
rather sepia from T400CN and XP2 as a result, but I have seen green and 
blue variants as well as pink:)

> The
> negs seem perfectly fine - my scans don't have a trace of pink (even 
> using a
> generic color negative setting for film type). I haven't played with 
> them a
> great deal but grain seems minimal, as the literature promises.

Yup, it is amazing film, and I have had experienced Art Eds query whether 
shots done on 35mm T400CN were medium format.

Vuesmart's B&W setting for 400CN works well. Or you can scan at 16bit RGB 
and convert to grayscale later in PS.


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


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