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  1. #11
    ic-racer's Avatar
    Join Date
    Feb 2007
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    Midwest USA
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    Multi Format
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    6,390
    A little off topic but I'm curious about your filter, was the fade just on the part in the light path, or the whole filter?

  2. #12

    Join Date
    Jan 2008
    Location
    Long Island, New York
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    1,067
    Thanks for the responses guys. ic-racer - I did have in mind to pm you when I embark on the project. I'm in the middle of running my calibration tests having just got back into the darkroom. I've used the EIs and development times that I had been using and it's looking like all the films are over-developed. (The tests are TMX and Tri-X in three formats and two developers. My suspicion is that the fading green filter in the D5500 mixing chamber probe gradually caused my "white light" (which I used as grade 2 and for calibration tests) to become increasingly yellow and, over time resulted in my increasing film development times. While I'd thought I was generating negs that printed a full range on Grade 2, I was actually producing normal negs that fit a much lower paper grade.

    I really appreciate the input and advice and I'll be in touch.

    thanks again

    Bob H
    "Why is there always a better way?"

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