diff between pro Tmax100 and Tmax100 Pro

Discussion in 'Darkroom Developing and Printing' started by Gary Banuk, Feb 21, 2004.

  1. Gary Banuk

    Gary Banuk Guest

    What is the difference betwee professional Tmax100 and Tmax 100
    professional film?

    I am using 4x5 and notice that the developing time has changed. Is
    this the same for 120 film. I have some older film that has been
    refrigerated and just noticed the change.
     
    Gary Banuk, Feb 21, 2004
    #1
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  2. According to Kodak the difference is in the overcoating.
    All film has a thin coating of gelatin over the emulsion to
    protect it from abrasion. Since the developer must penetrate
    this layer it affects developing time a little. Some of the
    differences in the charts are simply from retesting since
    reportedly T-Max films have actually been made in the new
    facility for some time.
    As far as performance there seems to be no difference.
     
    Richard Knoppow, Feb 22, 2004
    #2
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