Re: [APML]: improving Tech Pan development

[Alfredo Zanazzo <alferd@mbox.lol.it>]

Mike Regish wrote:
> 
> 
> At 04:59 PM 10/13/96 EDT, you wrote:
> >
> >Hi Alfredo;
> >
> >  with reguards to water bathing film....
> >
> >   I have done this for my daylight pictures for quite some time.
> >strangely, I notice this technique has more effect on 120 film vs 35mm.
> >Maybe ti is just me, have you had any experience along those lines?
> >
>         I just developed my first roll. I used the water bath for about 2
> minutes. I was surprised to see the water come out purple. Is this normal?
> Did a couple of prints. Seems to be pretty low contrast with the Technodol
> developer. Seem to have a lot of junk in it. (might be due to drying it in
> my bathroom) Might have some pinholes. I got some black spots on the one
> print I was trying.

Are you speaking about TP or colour film?
Colour film have this effect (that should be no harm anyway).
I have never noticed this effect on B%W films.
Soaking is useful specially with large format.
With 35 mm the chemicals cover the film surfac very fast and the danger
of spots is much less.
Remember that if you soak the film, the developer acts slower as it has
to replace the water on the film surface.
It is necessary increasing agitation on the beginning and finding a
reasonable increase factor of developing time.
Contrast should not vary if you agitate well during first minute, the
most important part of the process.
I can not explain the reasons of such a disater in your attempt.
Soaking process is recommended by experts and famous astrophotography
books writers...ask Brad Wallis.
-- 

--
Regards, Alfredo Zanazzo ( alferd@mbox.lol.it )

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