From: Michael Mutmansky (psu4ever@ix.netcom.com)
Date: 02/27/01-05:38:49 PM Z
Sandy,
This is very good information. I am unfamiliar with the pyrocat developer, and
am wondering if it exhibits the same type of sharpness, acutance, and high end
separation that the 'traditional' pyro developers do.
Ultimately, I was thinking that I would like to try pyro for the dual use
characteristics, which you have already said is similar to PMK, but also because
of the performance claims that this most vaunted developer has garnered from the
likes of Mr. Hutchings, and many others.
If it is similar, then this may be the way to go in the Jobo.
Thanks for the input,
---Michael
Sandy King wrote:
> Nzé Christian wrote:
>
> >Hi all,
> >
> >Sure pyrocatechol give a stainign but the color of this stain is more black
> >than yellow green. And Carl, you will loose the "possibility" to print your
> >neg in platinum or on classic bromide paper.
> >Pyrocatechol also got the same tanning effect as his cousins pyrogallol.
> >
> >regards
> >Amicalement
> >
> >Nzé Christian
>
> That is not my experience. The stain I get with the Pyrocat formula is not
> black at all but very similar to what I get with PMK and ABC+. It is
> *slightly* less intense and the color is more greenish brown than the
> yellow green you get with PMK and ABC+ but it acts just as effectively as
> an actinic filter for UV light with alt processes and with VC papers. In
> fact, I find it is slightly *more* effective as an actinic filter for UV,
> which of course makes sense since brown is more effective than green at
> blocking UV light.
>
> Sandy King
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