Efke IR820 how do I develop is film?

Discussion in 'The Darkroom' started by Jeff Canes, Dec 24, 2007.

  1. Jeff Canes

    Jeff Canes No longer a newbie, moving up!

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    Efke IR820 how do I develop it? I have d-76, tmax, rollei high and low.

    Digitaltruth list times for tmax mix 1+4 at 20c for 7 min’s and d-76 stock at 20c for 8 min’s both with no ref to the shot at iso.

    The times on the rollei bottles for their IR film are with High speed shoot at 400iso 1+7 at 20c for 5 min’s and with Low speed shoot at 400iso 1+4 at 24c for 18 min’s

    I have shot 2 rolls, with an 87C (IR) filter at 25iso. Do I need to need pull process? Would I decree the time by 4 min’s? Or change the mix?:confused:
     
  2. Alpha

    Alpha Troll Extraordinaire

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    ummmmm. Perhaps Helen can better answer this one. I've only shot the stuff at 400 with a 25, dev at box time in HC-110 dil b.

    If you shot this on a bright day, I would definitely say pull the processing. I didn't get enough IR exposure the last time I shot it and most of the roll was underexposed by 1-2 stops.
     
  3. Bill LaMorris

    Bill LaMorris TPF Noob!

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    I have shot quite a bit of this using a 720, 72 filter at F-16 for 1 second in bright light. Open up the aperature for less light. I developed it in Rodinal 1-12 for 12 minutes. Bill
     
  4. Jeff Canes

    Jeff Canes No longer a newbie, moving up!

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    I was hoping not to buy another developer but it looks like I’m going to need too, the Rollie Low is only developer I have that may work with the needed pulling time
     

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