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Thread: Article on Two-Bath Pyrocat

  1. #1

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    Article on Two-Bath Pyrocat

    I have put an article on two-bath Pyrocat on the Pyrocat web site.
    http://www.pyrocat-hd.com/html/TwoBathPyrocat.html

    My thanks to Ken Lee for his assistance in reviewing the article and placing it on the site. Thanks also to those who sent me film for testing purposes. The results are included in the article as CI charts.

    Included with the article are four photographs that were made from negatives developed in two-bath Pyrocat to illustrate the very wide range of tones possible with this simplified method of exposure and development. I would like to add a gallery of work by other photographers using this method and invite you to submit images if you have any, or make any in the next few months. Please include a brief notes about the film, dilution, time of development, and camera or format as you deem appropriate.

    Thanks for looking at the article, and I welcome your feedback.

    Sandy
    http://www.sandykingphotography.com/
    For discussion and information about carbon transfer please visit the carbon group at groups.io
    [url]https://groups.io/g/carbon

  2. #2
    Dave Karp
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    Re: Article on Two-Bath Pyrocat

    Thank you Sandy. I am going to read it right away!

  3. #3
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    Re: Article on Two-Bath Pyrocat

    Very good read, thanks for putting this together.

    David

  4. #4
    Kirk Gittings's Avatar
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    Re: Article on Two-Bath Pyrocat

    Great article thanks. And some wonderful images there too.
    Thanks,
    Kirk

    at age 70:
    "The woods are lovely, dark and deep,
    But I have promises to keep,
    And miles to go before I sleep,
    And miles to go before I sleep"

  5. #5
    Dave Karp
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    Re: Article on Two-Bath Pyrocat

    Sandy,

    I enjoyed the article and the photographs, especially the first and fourth. Thanks for your contributions in this area.

    As you mentioned in the article, it is great to be able to meter the shadows, determine the necessary exposure, and feel confident that you will not lose the highlights. This is a great advantage when working in changing light, and generally makes photographing more about the photograph and less about calculating exposure.

  6. #6
    Dave Karp
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    Re: Article on Two-Bath Pyrocat

    Sandy, I forgot to add this question: Just to confirm my reading, we follow the same time recommendations for all varieties of Pyrocat?

  7. #7

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    Re: Article on Two-Bath Pyrocat

    Quote Originally Posted by David Karp View Post
    Sandy, I forgot to add this question: Just to confirm my reading, we follow the same time recommendations for all varieties of Pyrocat?
    David,

    Yes, same instructions for all of the Pyrocat versions. There may be some slight variations in results but not enough to be significant given the fact that with this methodology we are not aiming for a precise final average gradient.

    There may also be slight differences in edge effects between some versions and/or rotary versus intermittent agitation, but the differences are quite subtle.

    Sandy
    http://www.sandykingphotography.com/
    For discussion and information about carbon transfer please visit the carbon group at groups.io
    [url]https://groups.io/g/carbon

  8. #8

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    Re: Article on Two-Bath Pyrocat

    Sandy,

    Thanks for doing this. I just don't have the time these days to do as much as I'd like to - to figure things out. when someone else does it, I can just follow.... and its great.

    I am printing in a platinum look, as you know... I've been using Delta 100 with Xtol 1:1 in the Jobo. I find the Jobo quite convenient, especially the ease at which I can do 10 4x5's at a time..... Xtol has been great, but I am pretty sure your method is even better and I'd like to try it... I have always liked Pyro.

    Would you suggest this technique for what I am trying to do, in a Jobo, in your opinion?

    Thanks,

    Lenny
    EigerStudios
    Museum Quality Drum Scanning and Printing

  9. #9

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    Re: Article on Two-Bath Pyrocat

    Sandy,
    Thanks for this. I have printed it, read it twice, and put it in my Pyrocat notebook.
    I noted with interest that none of the beautiful images shown were developed with a dilution of 1+20. If using this method for Pt/Pd would you think it wise to use 1+10 as a starting point for negatives made of most scenes in similar light?

  10. #10

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    Re: Article on Two-Bath Pyrocat

    Sandy, very nice work---thank you.

    I'm a little more inclined to use a non-staining two-bath developer, and, based on your earlier research on D-23 and Diafine, am I missing out in some important way by not using two-bath pyrocat to provide the advantages of two-bath development?

    Wayne
    Wayne Lambert
    Colorado Springs, Colorado
    www.waynelambert.net

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