Archived posting to the Leica Users Group, 2010/06/10

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Subject: [Leica] Image storage question.
From: wildlightphoto at earthlink.net (Doug Herr)
Date: Fri, 11 Jun 2010 00:49:25 -0400 (EDT)
 
Lawrence Zeitlin wrote:

>I just saw a program of the cable History channel which detailed the
>document storage procedures of the U.S. Library of Congress. The program
>said that images, specifically movies and stills, are stored on film for
>archival purposes even when created digitally. What on earth for? I thought
>properly prepared and stored CDs and DVDs could last 100 years. Given the
>loss in quality converting from digital to analog and back again, what is
>the benefit of analog storage?

One benefit is that partial damage doesn't corrupt the entire image.  Cut a 
transparency in half and you can piece it together.  Cut a CD in half and 
you don't even have a coaster.

Doug Herr
Birdman of Sacramento
http://www.wildlightphoto.com