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  1. #11

    Join Date
    Feb 2003
    Location
    Jacksonville, FL
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    Large Format
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    1,647
    If you have a good negative but the density range is marginal for pt/pd, you might try Selenium Intensification. I've increased the range by around 1.5 stops. If you will be using the Na2 process, then an increase in range will mean fewer drops of the expensive platinum compound used for contrast control.
    van Huyck Photo
    "Progress is only a direction, and it's often the wrong direction"

  2. #12
    Vaughn's Avatar
    Join Date
    Dec 2006
    Location
    Humboldt Co.
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    8x10 Format
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    4,692
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    40
    I have even given a well-exposed negatives a light bleaching, wash and then Selenium intensification (reduces the shadows and then bumps up the highlights).
    At least with LF landscape, a bad day of photography can still be a good day of exercise.

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