Archived posting to the Leica Users Group, 1994/01/02

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Subject: [Leica] Re: tri-x: why I stopped using it
From: George Huczek <ghuczek@sk.sympatico.ca>
Date: Sun, 02 Jan 1994 08:15:15 -0600

At 12:08 PM 02/01/00 +0100, you wrote:
>Still I would appreciate somebody telling
>me the if there is any difference between the 5063 Tri-X and the Tri-X Pan
>Pro, if there is any.
>
They are different films, each with their own characteristic curves.  TriX
Pro has a flatter shoulder, with less highlight separation, and a steeper
mid-section, giving slightly less midtone separation.  It was apparently
developed for use with studio lighting by Kodak, for low flare, bright
highlight situations.  I, for one, find it very confusing that Kodak labels
both films with essentially the same name, even though they are different.

For technical data on these two films go to:

<http://www.kodak.com/cluster/global/en/professional/support/techPubs/f9/f9.
shtml>

You can download the information in PostScript format.