[pure-silver] Re: HD Curve for Agfa Ortho 25
- From: Snoopy <snoopy@xxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Wed, 05 Jun 2013 20:02:31 +0200
DearMarty et. al.,
OK, I have found AGFA Technical Documentation T02 - 1 December 1972, 1st
Edition on the AGFA B/W Films. Alas only German, but the technical info
should be gleanable for those able to read curves and tables.
I will have this scanned into a PDF tomorrow and can mail it to you or
even post it on the list, if this is OK (=> Moderators?) or perhaps one
of you can then put it onto a web site and post the link.
Interestingly enough, for AGFA Ortho 25 they suggest best results are
with a positive (i.e. PAPER) developer:
Neutol NE or Neutol liquid NE: 2-4 minutes
Negative Developers:
Refinal (which became Rodinal-S I think): 10-12 minutes
Rodinal 1+10: 4-5 minutes
CONSTANT AGITATION! (Gamma 2-2.5 !)
Normal fixing but RINSE 20 minutes at room temp.
More tomorrow.
Love,
Snoopy
On 05/28/2013 05:32 PM, Martin magid wrote:
> On May 18, 2011 Edward Zimmermann provided this forum with a formula for
> using Agfa Ortho 25 for pictorial applications, involving "Rodinal 1:200
> with a dash of Sodium Carbonate."
>
> Does anyone know where I can find an HD characteristic curve for that
> film using that developer? If you have such a curve, can you email it
> to me with an attachment?
>
> Thanks,
>
> Marty
--
"Ceterum censeo, digitalem esse delendam"
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