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Photography > Large Format Photo Equipment > Re: Dumb questi...
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Re: Dumb question re: processing 4x5

by tls@[EMAIL PROTECTED] (Thor Lancelot Simon) Oct 29, 2007 at 01:20 AM

In article <13iacqm89oguafe@[EMAIL PROTECTED]
>, pico <pico.pico.net>
wrote:
>"Robert Chin" <bchin_us@[EMAIL PROTECTED]
> wrote in message 
>news:ffd9re018fc@[EMAIL PROTECTED]
>
>> So my question(s) is/are simple:  I've heard that because the
processing 
>> tanks for 4x5 film take so long to fill, uneven development could
result.
>
>Not if you use a film and developer you can pre-soak or use high
dilutions 
>with long development times.

It's not really an issue with Jobo drums because the drum is _supposed to_
be already rotating, and the processor level (and the water bath properly
filled so the drum doesn't float at an angle) before you pour anything
into it.

The pre-wet once recommended by Jobo can cause serious problems with some
processes, for example C41.  I have also seen it lower film speed when I
was doing film and developer tests.  I wouldn't use it.

-- 
  Thor Lancelot Simon	                                    
tls@[EMAIL PROTECTED]
  "The inconsistency is startling, though admittedly, if consistency is to
   be abandoned or transcended, there is no problem."	      - Noam Chomsky
 




 29 Posts in Topic:
Dumb question re: processing 4x5
"Robert Chin" &  2007-10-20 12:27:00 
Re: Dumb question re: processing 4x5
Jean-David Beyer <jean  2007-10-20 16:27:30 
Re: Dumb question re: processing 4x5
Peter <p2macgahan@[EMA  2007-10-20 09:41:09 
Re: Dumb question re: processing 4x5
"Lawrence Akutagawa&  2007-10-20 12:16:02 
Re: Dumb question re: processing 4x5
David Nebenzahl <nobod  2007-10-20 14:12:46 
Re: Dumb question re: processing 4x5
David Starr <davestarr  2007-10-20 17:46:44 
Re: Dumb question re: processing 4x5
darkroommike <darkroom  2007-10-21 11:13:42 
Re: Dumb question re: processing 4x5
"Richard Knoppow&quo  2007-10-21 14:42:09 
Re: Dumb question re: processing 4x5
"Ken Hart" <  2007-10-21 20:19:06 
Re: Dumb question re: processing 4x5
"Nicholas O. Lindan&  2007-10-21 21:52:48 
Re: Dumb question re: processing 4x5
"Richard Knoppow&quo  2007-10-22 06:13:10 
Re: Dumb question re: processing 4x5
David Nebenzahl <nobod  2007-10-21 20:09:39 
Re: Dumb question re: processing 4x5
Mike ODonoghue <odonog  2007-10-22 06:47:18 
Re: Dumb question re: processing 4x5
"pico" <pico  2007-10-28 20:11:48 
Re: Dumb question re: processing 4x5
tls@[EMAIL PROTECTED] (T  2007-10-29 01:20:33 
Re: Dumb question re: processing 4x5
"Ken Hart" <  2007-10-29 23:36:08 
Thanks to everyone...Follow up Question...
"Robert Chin" &  2007-11-15 14:15:31 
Re: Thanks to everyone...Follow up Question...
"Lawrence Akutagawa&  2007-11-15 11:35:19 
Re: Thanks to everyone...Follow up Question...
"Robert Chin" &  2007-11-15 15:15:25 
Re: Thanks to everyone...Follow up Question...
"Ken Hart" <  2007-11-15 19:59:52 
Re: Thanks to everyone...Follow up Question...
"Lawrence Akutagawa&  2007-11-16 04:16:23 
Re: Thanks to everyone...Follow up Question...
tls@[EMAIL PROTECTED] (T  2007-11-17 13:41:38 
Re: Thanks to everyone...Follow up Question...
John <use_net@[EMAIL P  2007-12-29 21:42:50 
Re: Thanks to everyone...Follow up Question...
"Robert Chin" &  2008-01-02 09:21:47 
Re: Thanks to everyone...Follow up Question...
John <use_net@[EMAIL P  2008-01-02 08:48:01 
Re: Thanks to everyone...Follow up Question...
____ <internetphobic@[  2008-01-02 22:02:02 
Re: Thanks to everyone...Follow up Question...
"pico" <pico  2007-11-15 19:12:49 
Re: Thanks to everyone...Follow up Question...
Bogdan Karasek <bkaras  2007-11-16 01:03:37 
Re: Thanks to everyone...Follow up Question...
Bogdan Karasek <bkaras  2007-11-16 01:11:54 

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