is it possible to redevelop film?

Discussion in 'Color: Film, Paper, and Chemistry' started by wilfbiffherb, Jan 29, 2012.

  1. wilfbiffherb

    wilfbiffherb Member

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    I have just processed some film in a jobo rotary and there are streaky areas of blue in my skies which look like uneven ddeveloping. I know you can rebleach and fix but is it possible to redevelop to try and get rid of thesee streeaks??
     
  2. Sirius Glass

    Sirius Glass Subscriber

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    Yes, PM Photo Engineer
     
  3. DarkMagic

    DarkMagic Member

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    Ill guess a lot other members would like to read PEs answer,
     
  4. anikin

    anikin Subscriber

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    I'm afraid it's too late to redevelop. Unlike b/w film, color does not retain any silver after bleach and fix is done. Once silver is gone, there is not much you can do.
     
  5. Marco B

    Marco B Member

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    No. Once you fixed the image, the undeveloped but exposed silverhalides that you needed to develop in the first go, are gone, meaning you can not "correct" a developing error like streaks caused by bad rotation.

    You can bleach a B&W film image and redevelop it, but it will come back with the same streaks and uneveness of the original.
     
  6. Ian Grant

    Ian Grant Subscriber

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    100% correct, once the silvers gone no.

    There is a techniquee called looping which was used by astronomers where a colour film was developed and fixed, then washed and bleached in a rehalogenating bleach and redeveloped this built up the dyes and could be repeated a few times before finally bleching and fixing.

    Ian
     
  7. zsas

    zsas Member

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    Yep Ian you are correct, some call it rehal or acceleration too. I have played with it a bit with interesting results, but re the OP, like you say, is out of luck unfortunately
     
  8. Ian Grant

    Ian Grant Subscriber

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    This is a colour film so all the silvers been removed if the bleach and fix went to completion. As the swirly bits are printing or scanning lighter from a negative it sounds unlikely the excess density was a developer isue but it could be incomplete bleach/fix or the bleach wasn't poured in fast enough and/or an agitation problem.

    Ian
     
  9. wilfbiffherb

    wilfbiffherb Member

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    curses-looks like the roll is lost. good job its only 45mins back to where i shot them!
     
  10. Rudeofus

    Rudeofus Subscriber

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    As has been stated here not all is necessarily lost in your case. Have you tried rebleach&fix yet?
     
  11. L Gebhardt

    L Gebhardt Subscriber

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    If they were important shots I would salvage them by scanning. It's not a topic for APUG, but it is amazing how much damage to film you can correct by scanning. DPUG would be a good place to ask for more details on this.