Archived posting to the Leica Users Group, 2002/05/07

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Subject: [Leica] jobo for B&W (was: Doing your own color)
From: "Rei Shinozuka" <shino@panix.com>
Date: Tue, 7 May 2002 09:39:10 -0400 (EDT)

perhaps adam was talking about the compensating effect (i.e., local
exhaustion of developer) occuring  with intermittent agitation and 
dilute (e.g., XTOL 1+3) developer.

- -rei

> From: Jim Brick <jim@brick.org>
> 
> At 09:48 AM 5/6/2002 -0700, Adam Bridge wrote:
> 
> >I've read that the JOBO processors aren't good to use with traditional B&W 
> >film
> >because they blow the highlights due to too much agitation. Is this the 
> >case or
> >is this a bad rap? Almost certainly I'll be running in XTOL and shooting Tri-X
> >or the fast Delta films when I do B&W. I could use the C41 B&W, of course, but
> >
> >Adam
> 
> 
> Not true. It is simply time and temp. You can let a tank full of film and 
> developer simply stand for a few hours, invert it every minute or two for 
> 12 to 20 minutes, or run it in a JOBO for 6 to 12 minutes. I run my B&W in 
> my JOBO and have never had better negatives. Acros and Tri-X in Xtol 1:1 in 
> the JOBO is killer.
> 
> Tina did the same when she used film.  :)
> 
> A JOBO is one of the greatest film/paper processing devices ever made.
> 
> Jim


- -- 
Rei Shinozuka shino@panix.com
Ridgewood, New Jersey

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