Re: [APML] TP woes

["Jim Janusz" <jjanusz@dc.rr.com>]

Grant,

Have you tried developing an unexposed piece of film to verify that the
problem is in your process and not theirs?

Unexposed should be clear except for the hyper fog.

Jim
----- Original Message -----
From: "Grant" <GB1029@inter-linc.net>
To: <astro-photo@seds.org>
Sent: Monday, April 22, 2002 6:16 PM
Subject: [APML] TP woes


> Hi List,
>
> Well..dark negs again.  This time I developed d-19 5mins 70F.
> Stopped w/ water 30secs.  Fixed 1 minute in pro fixer (not rapid).
> I am at a loss here folks.  I monitored every aspect of my
> imaging / developing extra closely this run.  I've now burned through
> all 3 of my tp rolls.  Without a single descent scan to show!
> Although my tp efforts have added a few grey hairs to my head, I refuse
> to give up!
>
> With that said..maybe someone could recommend
> the best way to diagnose the problem.?  Here's what I'm planning.
> I figure the most consistent test would be to shoot 3 different
> exposure sets from the same roll of tp.  I could then develop
> each group separately varying the development times.  Or should
> I try varying the fixing times as well?  The only problem I see with
> this test is trying to cut the film properly in my changing bag.
> Of course, the problem may in fact just be a bad batch from lumicon.
> But I need to rule everything else out before making that assumption.
>
> Grant
> http://members.inter-linc.net/gb1029
>
>
>
>
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