[pure-silver] Re: shamefully off topic
- From: Charlie Thorsten <charlie_thorsten@xxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Mon, 21 May 2007 12:44:17 -0700 (PDT)
Not to perpetuate the color thread here, but where
do you get your Ciba materials? I've actually got
an Ilford CAP40 processor that I could do it with,
but the paper and chemistry seem impossible to find,
at least here in San Diego. Do you mail-order it?
I used to print Cibachrome and I'd love to do it
again.
-Charlie
--- Jim Brick <jim@xxxxxxxxx> wrote:
> I print Cibachrome routinely. I have a big JOBO
> ATL-2400. The Ciba P3
> chemistry is only three steps. Develop, bleach, and
> fix. The
> chemistry is so stable that I mix 20 liters at a
> time and it sits in
> the tanks within my JOBO, with floating lids, for up
> to a year
> without degradation. I can walk in to my darkroom at
> any time, turn
> on the JOBO, put a transparency in my enlarger, and
> start printing.
> When the 20 liters runs out, it's easy to mix new P3
> chemistry as it
> comes in liquid concentrates that mix 20 liters.
> Pour it in, add
> water, stir, done. The fix actually makes 25 liters
> so every fifth
> purchase of P3 chemistry, I don't have to buy the
> fix.
>
> Even if the P3 chemistry stays in my processor long
> after is has gone
> bad, it doesn't gum-up anything. The way you know
> it's bad is that it
> won't process your paper. The chemistry doesn't go
> crazy, turn black,
> and gum-up stuff.
>
> I hate RA4 chemistry!!!!! Where Ciba P3 chemistry
> will last, mixed,
> up to a year, RA4 chemistry under the exact same
> conditions (in my
> JOBO with floating lids) lasts only two weeks. Leave
> it in the
> machine for more than two weeks and you have a mess
> on your hands.
> The developer gums up the works. So when I want to
> print RA4, I have
> to mix chemistry for that session. So I try to mix
> only the amount
> I'll use. But because of test strips, I usually have
> to stop and mix
> chemistry mid printing session. So now I mix more
> than I really need.
> And when I'm finished printing color neg, I have to
> dump the
> remaining RA4 chemistry and meticulously clean that
> part of my
> processor. This is why I only very rarely print RA4.
> So for color, I
> shoot Velvia 50 and print Cibachrome.
>
> For me, it's actually easier to print Ciba than B&W.
> For the most
> part, the chemistry is already mixed, all I do is
> print. I buy 20x24
> and 11x14 Ciba paper. 20x24 paper cuts easily into
> 8x10 and 16x20
> sizes. 11x14 is a bastard size and leaves scraps
> when cut out of
> 20x24. I use Ciba (Ilfochrome) CF.1k Low Contrast
> paper. It is
> fantastic stuff and precludes having to make
> contrast masks. I very
> rarely have to make a mask - maybe once a year.
>
> Jim
>
>
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