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  1. Thread: Exposure mapping

    by earlj
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    59,291

    Exposure mapping

    Paul:

    I like the word 'vignettage' - I think that I will have to use it as a word in English. It has a nice ring to it. To complicate your observations about diffraction, all the diffraction...
  2. Thread: Exposure mapping

    by earlj
    Replies
    43
    Views
    59,291

    Exposure mapping

    Paul and Peter:

    What are the units along the x-axis in the light falloff charts? If it is degrees, then shouldn't the line become discontinuous at 90? Theoretically, the pinhole has ceased to...
  3. Thread: Exposure mapping

    by earlj
    Replies
    43
    Views
    59,291

    Exposure mapping

    Tony:

    This is a very interesting exercise in theory vs practice. I agree with Paul's theoretical cosine to the fourth power of light falloff. As soon as you move away from the the center of the...
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