All photographic prints should be stored at 77 degrees Fahrenheit (25 degrees Celsius) or less with 20-50 percent relative humidity. These conditions are based on the recommendations from experts in the industry and are consistent with ISO recommendations for medium term photographic storage. Other products, including StoryBooks, Page Prints and other digital prints, will also last longer under these conditions. To see what will happen under different conditions, the Preservation Calculator from the Image Permanence Institute is available at Calculators. This program is now compatible with the Widows Vista operating system.
The complete Tech Notes article with more details is available at tech-notes_20090304.
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About Mark Mizen
I have over twenty years professional experience in all aspects of photography and digital imaging. I am Chair of the ISO WG5 TG2 committee responsible for physical properties and durability of imaging material and am currently with HID Global working on systems for security printing for IDs, licenses, and credit cards. Previously, I was Director of Digital Development at Creative Memories from 2009 to 2012 and was responsible for the Creative Memories digital products and services. I also established and directed the Creative Memories Technology Center, which evaluated new products prior to product introduction, assisted with production difficulties, and provided technical information to support product sales.