Re: HIE in Bronica 135W film Backs

[Joshua_Putnam <josh@xxxxxxxxxxxx>]

Otto Giesenfeld <otto.giesenfeld@xxxxxxxxxxxx> writes:

>Is it the felt that leaks light into HIE cartridges? If so, it would seem
>easy for Kodak to replace it with some more effective kind of felt. I kind
>of thought that, instead, it was the lack of anti-halation layer in the
>film that was the culprit. (Making the film act as an optical fibre and
>lead light into the cartridge.) Is there a well-established knowledge
>(outside Kodak) on why HIE has to be loaded in darkness?

This should be easy enough to test, but I've never done it --
just expose a rewound catridge of HIE to daylight and see if it
fogs.  That way there's no film hanging out in the daylight, just
the felt.

-- 

 Josh@xxxxxxxxxxxx  is  Joshua Putnam / P.O. Box 13220 / Burton, WA 98013
                       "My other bike is a car."                   
                     http://www.wolfenet.com/~josh/
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