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Re: filmscanners: Film base deterioration (was Digital Shortcomings)

Not to mention, scarey as hell. :-|


>From: Hersch Nitikman <hersch@silcom.com>
>Date: Wed, 27 Jun 2001 13:41:25 -0700
>Thanks very much, Tony. That was quite an education. I guess that has to be
>factored into the discussions of the merits of CD-R archives vs relying on
>the permanence of the original negatives and slides.
>At 11:47 PM 06/26/2001, you wrote:
>>On Mon, 25 Jun 2001 13:10:33 -0400  Isaac Crawford (isaac@visi.net) wrote:
>> > . B&W
>> > film has far better archival qualities than the color stuff.
>>Oh, you might think so ;) - but see below
>>Nishimura is based at the Rochester Inst. of Technology Image Permananence
>>Institute, so appears to know his stuff.
>>It will give anyone who has been taking photos over the past 30yrs the
>>Warning: Negative base deterioration
>>If you haven't been using polyester based film (such as Kodak Estar
>>base films), then I expect that most of you won't have any negatives
>>left within a few decades. Let me give you the sad story first before
>>I talk about the whys and hows. I got a call around 1992 or so from
>>Evelyn New York photographer  known for her coffee table books in the
>>1950s and 60s of European cities. She called because she went into
>>her negative collection and found that they were all badly distorted
>>and the emulsions were lifting off. We had been researching this
>>problem since 1988 and were very aware of what the problem was. I had
>>to tell her that her life's work (other than what books and prints
>>were already out in the world) was gone and there was nothing that
>>could be done. A few could be saved by special methods, but it's so
>>labor intensive that of her thousands of negatives, it would only be
>>worth treating a couple.
>>Douglas Nishimura Research Scientist, Image Permanence Institute
>>Tony Sleep
>>http://www.halftone.co.uk - Online portfolio & exhibit; + film scanner
>>info & comparisons

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