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Thread: Magnabrite Loupe?

  1. #1

    Join Date
    Jan 1999
    Posts
    94

    Magnabrite Loupe?

    Has anyone tried those acrylic "light gathering" magnifiers called Magnabrite:

    http://www.saundersphoto.com/html/magna.htm

    for ground glass focusing?

  2. #2

    Join Date
    Mar 1998
    Posts
    1,974

    Magnabrite Loupe?

    The problem with using the magnabrite as a focusing loupe is that the are magnif ying the rear surface of the ground glass / fresnel combination and not the imag e formed on the frontside which is where the film plane is.

    They are great hands free contact sheet magnifiers though.

  3. #3

    Magnabrite Loupe?

    Ellis makes a good point. A ground glass loupe really needs to be focusable, so while sitting on the back of the glass, it can be adjusted to focus on the front surface where the image is formed. For looking at contact sheets, especially 35mm; I've found that a good quality 'bifocal' hand held magnifying glass works really well. The lower power overall magnification allows the client to see a magnified whole image..and the little, higher power spot allows them to look at details at a much higher magnification once they bring the glass into the correct focusing distance

  4. #4

    Join Date
    Jan 1999
    Posts
    94

    Magnabrite Loupe?

    I tried a glass version of the magnabrite sold by Brookstone and as expected it doesn't work on ground-glass and transparencies. It is also prone to scratching prints for which it does a "reasonable" job.

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