Archived posting to the Leica Users Group, 2001/11/20

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Subject: RE: [Leica] Acros Development Time/Process
From: "Frank Filippone" <red735i@earthlink.net>
Date: Tue, 20 Nov 2001 06:41:26 -0800

A lot of testing was done for and by Kodak during the start of the TMax film
effort.  Kodak wqould get good results, the consumer testers woulfd get
lousy repeatability... Finally Kodak figured out consistent agitation and
temp were the keys.  JOBO and John Sexton were brought in to figure out the
right mix and methodoilogy to make Tmax films a success.  Sexton figured out
and claims to have written the data sheet on developing TMax film.  It
requires a 5 minute presoak in a JOBO to get things right..  The message her
is that presoak is required in certain processes.... the magic word
processes includes a specific film, developer, and methodology.

Frank Filippone
red735i@earthlink.net

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Replies: Reply from Mark Rabiner <mark@markrabiner.com> (Re: [Leica] Acros Development Time/Process)
Reply from Nathan Wajsman <wajsman@webshuttle.ch> (Re: [Leica] Acros Development Time/Process)