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  1. #1

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    J&C 400 - Prewet?

    I was looking at the development times chart on J&C's website, and noticed that there's no mention of whether or not a prewet is recommended for the J&C films (it is specifically recommended for Efke/ADOX films).

    Does anyone know if a prewet is recommended for (in particular) Classic 400?

    How would a prewet affect the recommended development time? Shorter, longer or no effect?

    TIA!

    Steve
    "What drives man to create is the compulsion to, just once in his life, comprehend and record the pure, unadorned, unvarnished truth. Not some of it; all of it."

    - Fred Picker

  2. #2
    juan's Avatar
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    I don't know what's recommended, but I presoak Classic 400 for 3-minutes (as I do with Efke). I doubt it affects the development time - I just like to get all that dye out before putting the negative in the developer. I have not noticed any harm from the practice. Try it both ways and see which you like.
    juan

  3. #3

    Join Date
    Jan 2004
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    Quote Originally Posted by seadrive
    I was looking at the development times chart on J&C's website, and noticed that there's no mention of whether or not a prewet is recommended for the J&C films (it is specifically recommended for Efke/ADOX films).

    Does anyone know if a prewet is recommended for (in particular) Classic 400?

    How would a prewet affect the recommended development time? Shorter, longer or no effect?

    TIA!

    Steve

    The dyes in the 400 film come out a lot easier than with the Efke films. So we don't specifically recommend it with the 400 film. We know of people that do and of those that don't. Development time isn't affected significantly, certainly within the margin of error of all the other factors that go into a particular exposure.
    www.jandcphoto.com

  4. #4

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    Thanks, guys!

    I've been using a J&C tube for developing 5x7 sheet film (two at a time, works nicely), and I often need a prewet to get the temperature of the tube to (or close to) my desired developer temperature.

    Glad to hear it shouldn't affect the time. But, as Fred Picker would say, test it for yourself, and then you'll know.
    "What drives man to create is the compulsion to, just once in his life, comprehend and record the pure, unadorned, unvarnished truth. Not some of it; all of it."

    - Fred Picker



 

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