Developing Kodak TechPan Film

Discussion in 'The Darkroom' started by McManniss, Apr 10, 2008.

  1. McManniss

    McManniss TPF Noob!

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    I have several rolls of Kodak TechPan and Agfa APX 25 film that i've shot, but have been holding off on developing them.

    I've been a little confused as to what type of developer I should use to develop them since development controls contrast, at least for the TechPan, not sure about the Agfa.

    Any recommendations for development on these 2 films. I usually do not develop film myself anymore, just take it to a pro lab in NYC (Duggall) and they develop it for me. but in this case I may try to develop it myself if I can get the proper developer.

    I just dont want to destroy my film without knowing how to properly develop it.

    Any advice and recommendations would be greatly appreciated.
     
  2. Steph

    Steph No longer a newbie, moving up!

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    I don't have first hand experience with either film. I never used them. For Tech Pan, the data sheet from Kodak might be a good way to start as it has a list of different developers to achieve different contrasts. Similar data must be available for APX25 but I don't know where to find it. Sorry.
     
  3. Jeff Canes

    Jeff Canes No longer a newbie, moving up!

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  4. Early

    Early TPF Noob!

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    I once read where someone concocted a low sulfite, phenidone deverloper for the Techpan to lower the contrast, and bring out as much of it's inherent resolution as possible.

    Sulfite in a developer reduces grain, but in doing so, it also reduces resolution. And phenidone used alone will give you a very low contrast negative.

    PS I never shot Techpan, so experiment. Also, because of the low sulfite content, it's a one shot.
     
  5. Alpha

    Alpha Troll Extraordinaire

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    Do not develop the Tech Pan in anything but Technidol or Photographer's Formulary TD3.

    You can develop the APX25 in a regular developer, but I would still do it in a very fine developer.

    Technidol is still available on ebay and various online stores. TD3 is available from the Photographer's Formulary website.
     
  6. Helen B

    Helen B TPF Noob!

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    The choice of developer for Tech Pan is slightly dependent on what speed it has been exposed at.

    I used to use Technidol, way way back, but I switched to Rodinal 1+300. I found that needed to be exposed at around EI 16 for good shadow detail. I've also used Xtol 1+5, TD-3, TechXactol (expensive to ship to USA) and Flexcolor (ie C-41 developer). If TechXactol was easier to get in the USA that is what I would use. Failing that Flexcolor (or any C-41 developer, I guess) is good, as is TD-3, which I use most of the time these days.

    Xtol 1+3 and Rodinal 1+25 or 1+50 also work for APX 25, in particular Xtol. I tend to use W2D2+ more than Xtol for APX 25.

    Best,
    Helen
     
  7. McManniss

    McManniss TPF Noob!

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    Thanks for the valuable input. When it comes to developers I have very little knowledge.

    The TechPan & APX were both exposed at 25 ASA.
     

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