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Thread: Summary Of Recent Work On Stand Development

  1. #1

    Summary Of Recent Work On Stand Development

    Long time lurker here. I spent the last couple of months exploring various stand techniques and took a moment to summarize my findings. I doubt there is anything new here, but some may find this helpful ...

    https://gitbucket.tundraware.com/tun...nd-Development

  2. #2

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    Re: Summary Of Recent Work On Stand Development

    Quote Originally Posted by tundra View Post
    Long time lurker here. I spent the last couple of months exploring various stand techniques and took a moment to summarize my findings. I doubt there is anything new here, but some may find this helpful ...

    https://gitbucket.tundraware.com/tun...nd-Development
    Excellent! Thank you

  3. #3
    ic-racer's Avatar
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    Re: Summary Of Recent Work On Stand Development

    I can't tell what you tested. What were the results?
    Last edited by ic-racer; 18-Feb-2021 at 11:58.

  4. #4

    Re: Summary Of Recent Work On Stand Development

    Quote Originally Posted by ic-racer View Post
    I can tell what you tested. What were the results?
    Look at the section called "What I Have Discovered"

  5. #5

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    Re: Summary Of Recent Work On Stand Development

    Excellent writeup...thank you!

    Two questions: One - did you end up with a "preferred" film?

    And two - did you ever try any one or all of these (EMA, Semi-Stand, Stand) with a single negative in a flat open tray? You did imply that this might be desirable...but I've heard some others indicate that a vertical film orientation is best.

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    Re: Summary Of Recent Work On Stand Development

    Were your tests single sheet of 4x5 or multiple sheets? Dilution matters once you add more sheets.

    EMA works great as long as your Pyrocat HD is relatively fresh. After six months you will need to rerun tests. You can also reduce the part B to get less stain but need to add a bit more A. so ratio is like 1.5A : 1.25B : 200W . I basically abandoned EMA with Pyrocat HD due to sudden chemical failures as it aged. Pyrocat M works much better since the metol lasts longer than phenidone (in my opinion, not a science fact but something observed). HD and FP4+ @70* for 22-24mins was my EMA standard. For contrast control I found I could go as low as 18mins and up to 35mins fairly predictably.

    For Pyrocat M I found little difference when using EMA vs a more normal dilution and time, but I reduced my agitations to 2.5 or 3 minute intervals. 3.5 :3.0 : 500 for 12:30 total time @70*.
    Adventure is worthwhile in itself. ... Never interrupt someone doing what you said couldn't be done. -- Amelia Earhart
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  7. #7
    Tin Can's Avatar
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    Re: Summary Of Recent Work On Stand Development

    So your developer lost all activity between 18 and 35 minutes

    I have read of our ancestors extending 'stand' to several hours

    I confirm Rodinol is dead at 20 minutes or less at high dilution
    Tin Can

  8. #8
    ic-racer's Avatar
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    Re: Summary Of Recent Work On Stand Development

    Quote Originally Posted by tundra View Post
    Look at the section called "What I Have Discovered"
    More generally, these techniques are great when you need to get maximum shadow detail, but reign in highlight placement.
    I don't see any data to back up that statement. How did you test this? Where are the results?

  9. #9

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    Re: Summary Of Recent Work On Stand Development

    Quote Originally Posted by ic-racer View Post
    I don't see any data to back up that statement. How did you test this? Where are the results?
    ic-racer, as you know well, stand/semi-stand is a somewhat religious topic. I suggest leaving it be.

    OP has done his experiments, is satisfied with the results, and has written up a summary of the work/findings.

  10. #10

    Re: Summary Of Recent Work On Stand Development

    Quote Originally Posted by John Layton View Post
    Excellent writeup...thank you!

    Two questions: One - did you end up with a "preferred" film?

    And two - did you ever try any one or all of these (EMA, Semi-Stand, Stand) with a single negative in a flat open tray? You did imply that this might be desirable...but I've heard some others indicate that a vertical film orientation is best.

    When it worked, it worked fine with Agfapan APX 100, TXT, and FP4+. FP4+ is probably the best of the three.

    I did not tray process all three. I did a 3 negative comparison with FP4+ using all three techniques but hanging vertically using frameless hangers.

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