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[filmscanners] Re: Scanning chromogenic



On Tue, Jan 29, 2002 at 10:33:19PM -0800, Ken Durling wrote:
> Hi folks -
>
> I had never tried any of the C-41 films before, and just shot a roll
> of XP-2.  At the processing place I had them print it on color paper,
> and the prints have that sepia tone that I associate with the type.
> However, nothing I do in Vuescan results in anything but a straight
> greyscal image, leading me to believe that there's something I don't
> understand about this film (no surprise).  So where does the sepia
> toning come from?  Is it possible to obtain a scan that has it?  I
> thought it was in the negative, but perhaps it's exclusively in the
> chemical interaction with paper?
>

The straight greyscale scan is correct as is the sepia tone when printed
onto colour paper. XP2 is designed to be printed on traditional black and
white paper. The sepia tone is there because the paper is trying to
compensate for an orange mask on the film which isn't present. If you want a
true black and white print on colour paper then you might want to look at
the Kodak chromogenic offering which has an orange mask. XP2 is a brilliant
B&W film for scanning because you don't have to mess around with that orange
mask and you get to use the IR channel (if your scanner has one). At the lab
you just have to ask them to print it on black and white paper.

--
Tony Terlecki
ajt@mrps.demon.co.uk

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