Re: HIE in Bronica 135W film Backs

["Willem-Jan Markerink" <w.j.markerink@xxxxx>]

On 22 Jul 99 at 13:31, Joshua_Putnam wrote:

> 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.  

It fogs.
As has been proven by a sloppy development shop I once used, by 
simply removing the cannisters, and putting it a standard envelope.
I am sure I am not the only one who experienced this inadvertent 
experiment....

--                 
Bye,

Willem-Jan Markerink


      The desire to understand 
is sometimes far less intelligent than
     the inability to understand


<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]
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