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  1. #31

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    It's a Peak 3, by the way.

    Quote Originally Posted by gamincurieux View Post
    I've bought a Peak scope, but without any blue filter that I could see. I only read now after the fact about the blue filter.

    I'm wondering (without yet having a darkroom session to try it) if I could just put a normal camera lens Blue filter (Nikon B12 or B+W KB12, both of which I happen to have in my drawer here) over the Peak scope eyepiece to get the same effect when focusing a black & white neg????

  2. #32

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    Bump...

    Quote Originally Posted by gamincurieux View Post
    I've bought a Peak scope, but without any blue filter that I could see. I only read now after the fact about the blue filter.

    I'm wondering (without yet having a darkroom session to try it) if I could just put a normal camera lens Blue filter (Nikon B12 or B+W KB12, both of which I happen to have in my drawer here) over the Peak scope eyepiece to get the same effect when focusing a black & white neg????

  3. #33
    ic-racer's Avatar
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    You may not need the filter. It is to help your eye focus on the little box. The human eye focuses red and blue on different planes. Cutting the red may help you see the box better. Other than that it produces no effect on the rays coming from the enlarger lens.

  4. #34
    naaldvoerder's Avatar
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    Ralph Lambrecht and Chris Woodhouse in "Way Beyond Monochrome" seem to find no improvement of sharpness using the bluefilter.

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