Archived posting to the Leica Users Group, 2001/08/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]kodak's site has some information on this: - -rei http://www.kodak.com/cluster/global/en/service/faqs/faq0031.shtml Frequently Asked Questions KODAK TRI-X Pan Professional Film vs KODAK TRI-X Pan Film How is KODAK TRI-X Pan Professional Film different from KODAK TRI-X Pan Film? KODAK TRI-X Pan Professional Film has a longer toe on its characteristic curve than KODAK TRI-X Pan Film. The longer toe results in superior shadow detail when you use exposure equipment and techniques that minimize flare. In addition, the longer toe gives the film a different speed point, and thus is rated at ISO 320. TRI-X Pan Professional Film also has a coating on the base side which makes retouching possible. Kodak and Tri-X are trademarks. FAQ0031 > From: "Austin Franklin" <darkroom@ix.netcom.com> > > > [msxmaniac writes of Tri-X 320] > > > The ISO 320 emulsion, apart from its lower speed, has a more extended > > sensitivity in the shadows. > > Where do you get that information from? Please be VERY specific. >