Re: [APML] bulk film questions

["Mark Park" <mark_park@hotmail.com>]

Thanks.


>From: "Martin C Germano" <mcgermano@earthlink.net>
>Reply-To: astro-photo@seds.org
>To: <astro-photo@seds.org>
>Subject: Re: [APML] bulk film questions
>Date: Sun, 3 Feb 2002 09:14:06 -0800
>
>I have been using bulk films since 1976, and have never had a problem with
>mositure (on the bulk roll in the loader). I keep the loader in the freezer
>(regular stand alone freezer that needs to be defrosted occasionally) in a
>large ziplock bag. I still have some 103aF in the freezer! *Regular* films
>like bulk Pan-X, Plus-X and Tri-X; all used right out of the freezer and
>into a cassette were OK. I have used S0410, S0115 and of course TP2415 in
>this way.
>
>When hypering the Tech Pan I take the bulk loader from the freezer, roll 
>one
>length (about 36 inches) on to a spool, put the spool in the hyper chamber
>and start the vacumn pump. This takes 2-3 minutes. The bulk loader usually
>has mositure on the outside by now, but obviously I do not check the film
>inside<g>. It then goes back in the ziploak bag and back into the freezer.
>
>I have never noticed any ill effects from this kind of usage in all the 
>bulk
>rolls I have used. The Tech Pan 'mottling' problem that surfaced the last
>year or two seems to have been an issued with the manufacturing or 'age' of
>the bulk rolls. I have changed my source for purchasing the bulk TP, and
>have had no problem with mottling since then.
>
>Marty
>
>Martin C Germano
>Thousand Oaks CA 91360
>email: mcgermano@earthlink.net
>Home Page: http://home.earthlink.net/~mcgermao
>
>
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