Archived posting to the Leica Users Group, 2002/06/16

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Subject: RE: [Leica] Neopan 1600 - image deterioration over time on unprocessed film?
From: "Tim Atherton" <tim@KairosPhoto.com>
Date: Sun, 16 Jun 2002 15:40:43 -0600

Hi Austin,

Not quite speculation, but I do recall reading a few years ago about how
TMAX 3200 had a pretty short shelf life because it was subject to fogging
from some kind of background radiation, whether you stored it frozen or not.

tim

> -----Original Message-----
> From: owner-leica-users@mejac.palo-alto.ca.us
> [mailto:owner-leica-users@mejac.palo-alto.ca.us]On Behalf Of Austin
> Franklin
> Sent: Sunday, June 16, 2002 3:26 PM
> To: leica-users@mejac.palo-alto.ca.us
> Subject: [Leica] Neopan 1600 - image deterioration over time on
> unprocessed film?
>
>
> What can anyone tell me about image deterioration, and what to do about it
> (aside from obviously processing shortly after exposure) from not
> processing
> Neopan 1600 (or even Delta 3200) shortly after exposure?  I'm looking for
> factual information and/or personal experience as opposed to
> speculation...
> Fuji doesn't mention anything in their data sheet that I could see.
>
> I've never had any noticeable degradation from Tri-X or other B&W
> films even
> processing some 5 years after the shoot!  But it appears that the higher
> speed films are affected by delayed processing (like a year later).
>
> Thanks,
>
> Austin
>
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