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  1. #11
    Saganich's Avatar
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    I also read that sharpness changes for papers more sensitive to blue light, ie multicontrast papers, and tests should be made. On print dead on via magnifier, and two slightly off in either direction to see if there is shift.

    Chris
    Chris Saganich
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  2. #12
    Dave Miller's Avatar
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    Quote Originally Posted by Saganich View Post
    I also read that sharpness changes for papers more sensitive to blue light, ie multicontrast papers, and tests should be made. On print dead on via magnifier, and two slightly off in either direction to see if there is shift.

    Chris
    Just goes to show - shouldn't believe every thing you read.
    Regards Dave.

    An English Eye


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    Thornton and Ctein spoke of 'smear' when some enlarging lenses are used wide open which I am sure would contribute to some apparent softness that might be used to one's advantage.

    Fred

  4. #14
    Ole
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    Quote Originally Posted by Saganich View Post
    I also read that sharpness changes for papers more sensitive to blue light, ie multicontrast papers, and tests should be made. On print dead on via magnifier, and two slightly off in either direction to see if there is shift.

    Chris
    Chromatic aberration? That shouldn't be a problem with any undamaged enlarger lens made after 1900 (with the possible exception of the Voigtländer W.Z., which was designed to be soft).
    -- Ole Tjugen, Luddite Elitist
    Norway

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