Archived posting to the Leica Users Group, 1998/09/04
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 05:47 AM 9/4/98 -0600, you wrote: >Why is this? You would think that in a glass mount, the slide is protected >against atmospheric pollution and UV light. > In Camera Techniques two issues back, Ctein discusses printing-out >problems he found with Agfa RC papers when they were stored in sealed >frames. Are the same kinds of processes that affect print papers >responsible for the deterioration of glass-mounted slides? Exactly. The glass in a slide mount keeps bad things out, but it also keeps bad things in. And moisture, and fungus. Glass mounts are not for long-term storage. They're for using flat field projection lenses to project a corner-to-corner sharp slide. - -- Eric Welch St. Joseph, MO http://www.ponyexpress.net/~ewelch It's hard to make a comeback when you haven't been anywhere. - - Written in the dust on the back of a bus. Wickenburg, Arizona