pushing delta 400 to 800

Discussion in 'Beyond the Basics' started by brainseatloser, May 2, 2007.

  1. brainseatloser

    brainseatloser TPF Noob!

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    Hello! I am new here. I need an answer quickly if anyone can help me.


    I am pushing 400 iso Ilford Delta 35mm film to 800iso. I need to figure out how long to develop the film for using D-76 1:1.

    My professor only told me to develop it for 25-50% longer than I would normal 400iso Delta film. But that's pretty broad so I'm looking for more specific answers. I also know it depends on the temperature of the chemicals, but still 25-50% is very broad to me. I haven't found anything on google, though maybe I just suck at searching.

    Any ideas?
     
  2. Davehimself

    Davehimself TPF Noob!

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    1 to 1 is 17.5 mins at 20 degrees C
     
  3. Flash Harry

    Flash Harry TPF Noob!

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    Google "The Massive dev chart" I cant remember the exact site but it'll come up with answers to all your dev times. I've just looked and it recommends multiplication factor of 1.5 which would give a 15 minute dev time, I used this for all my film processing and it was never wrong.
     
  4. Torus34

    Torus34 No longer a newbie, moving up!

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  5. ksmattfish

    ksmattfish Now 100% DC - not as cool as I once was, but still

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