From: Steve Shapiro (sgshiya@redshift.com)
Date: 09/01/01-07:21:36 AM Z
What lenses are you using?
You might try using a #8 yellow filter, and plus exposing as you do. You
still must add 1/3 stop with the filter.
Steve
----- Original Message -----
From: "Manuel Gomes Teixeira" <PunctumStudios@netc.pt>
To: <alt-photo-process-l@skyway.usask.ca>
Sent: Saturday, September 01, 2001 2:41 AM
Subject: Re: POP choices
>
> Hi S. Shapiro,
>
> I'm quite obsessed by shadow detail so I've always gave generous exposure
> with this film. I usually use it at 100 ISO with priority to shadows but
> even like this I getting the problem I've described at first.
>
> Perhaps you could have another suggestion ?
>
> Greetings
>
> Manuel Gomes Teixeira
>
> Punctum Studios
> Portugal
> EU
>
>
>
> > From: Steve Shapiro <sgshiya@redshift.com>
> > Reply-To: alt-photo-process-l@sask.usask.ca
> > Date: Fri, 31 Aug 2001 19:36:59 -0700
> > To: alt-photo-process-l@sask.usask.ca
> > Subject: Re: POP choices
> >
> > With Bergger films, I had found the same thing. Longer development
times
> > will not yield longer range nor a more dense negative.
> >
> > There is a safety factor in most modern films that prevent over
developing,
> > and restrict you from a push development [expanded development] more
than
> > about 2 1/2 stops. With trix - ultra expansion can be obtained up to
three
> > stops.
> >
> > Bergger has this quality and it is a good one. To overcome this
limitation
> > for sunlight [or UV] printing, simply plan for that and over expose the
> > stops. (Answer part two) With over exposing, or to lower the EI
(exposure
> > index) below the ISO then to develop using the staining developer Pyro
> > (Pyrogallolic acid developer formulae) what it gives is a long range in
the
> > highlights and very accomplished shadow detail, too. But without the
> > original exposure, nothing can add on to the negative by development.
> >
> > S. Shapiro, Carmel
> > ----- Original Message -----
> > From: "Sandy King" <sanking@clemson.edu>
> > To: <alt-photo-process-l@skyway.usask.ca>
> > Sent: Thursday, August 30, 2001 3:15 PM
> > Subject: Re: POP choices
> >
> >
> >>>
> >> Just as a curiosity, have you gotten enough contrast for POP with BPF
> >> and developers other than Pyro? My own experience with BPF is that it
> >> does not respond positively beyond a certain CI to increasing
> >> development times, period, irrespective of developer. There is
> >> something about this film that causes it to shut down when it reaches
> >> a certain CI, and prolonged development beyond this point does
> >> nothing but increase b+f.
> >>
> >> Sandy King
> >>
> >>
> >>
> >>
> >>
> >>
> >>> Hi Carl,
> >>>
> >>>
> >>> This topic of pyro developed negatives to use both with POP silver and
> > Pt/Pd
> >>> is very interesting to me because I've concentrated myself on this
two
> >>> methods for contact printing and discussions about this matter are
> >>> practically absent.
> >>>
> >>> I use BPF with Rollo Pyro from Lotus View Camera in Expert drums and
the
> >>> results I got until this moment are not entirely satisfactory.
> >>> With normal developing times the contrast is simply not enough for
POP
> > and
> >>> I tried to give longer times but overall B+F+Stain increased to a
level
> >>> that the exposure needed to UV is to long with the related problems.
> >>> I've tried as you recommend in "The New Platinum Print" :
> > "strengthening
> >>> the developer and cut the developing time" but I didn't solve the
above
> >>> described problem.
> >>>
> >>> Perhaps I'm missing something concerning pyro development.
> >>>
> >>>
> >>> greetings
> >>>
> >>> Manuel Gomes Teixeira
> >>>
> >>> Punctum Studios
> >>> Portugal
> >>> EU
> >>>
> >>>
> >>>> From: Carl Weese <cweese@earthlink.net>
> >>>> Organization: Carl Weese Associates
> >>>> Reply-To: cweese@earthlink.net
> >>>> Date: Thu, 30 Aug 2001 11:37:26 -0400
> >>>> To: Alt-photo-process <alt-photo-process-l@sask.usask.ca>
> >>>> Subject: POP choices
> >>>>
> >>>> James,
> >>>>
> >>>> Assuming you will have access to a darkroom for film development (4x5
> >>>> film in trays doesn't take much space): FP4+ in PMK pyro will give
you
> >>>> negatives you can print in POP silver, and then later print in Pt/Pd
> > or
> >>>> on standard variable contrast silver paper. Pretty good combination.
> > It
> >>>> gives high acutance if that's what you're after. As for obtaining it
> > in
> >>>> Japan, just take a couple dry packaged kits from ArtCraft Chemical
> > with
> >>>> you. Each will make 50 liters of working solution which is enough for
> > an
> >>>> enormous number of 4x5's. The mixed stock solutions have excellent
> > shelf
> >>>> life. Tri-X/PMK is another good pair. TMX and HP5 are more trouble
> >>>> getting enough contrast for POP processes. Of course observe proper
> >>>> precautions for handling pyro which is more toxic than more ordinary
> >>>> developers.---Carl
> >>>> --
> >>>> Web Site with picture galleries and workshop information
> >>>> http://home.earthlink.net/~cweese/index.html
> >>
> >>
> >
>
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