52mm lenses

Discussion in 'Digital SLR' started by jclark, Apr 9, 2006.

  1. jclark

    jclark Guest

    Hi,

    I have noticed that the close-up lense for my digital powershot A75 is
    52mm, the same size as the close-up lense for my analogue SLR EOS 650.
    Does that mean that I can get an adapter that would allow my full range
    of EOS lenses to fit on the digital camera?

    Thanks,

    Jen
     
    jclark, Apr 9, 2006
    #1
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  2. jclark

    G.T. Guest

    No.

    Greg
     
    G.T., Apr 9, 2006
    #2
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  3. jclark

    Paul Furman Guest

    52mm is the thread size on the front of some EOS lenses, the back side
    is a special mount. Inside are aperture/iris & autofocus mechanisms. The
    closeup lens is like a simple coke bottle with threads so you could put
    that on the end of an EOS lens.

    It is possible to reverse an EOS lens on your powershot for doing macros
    but the magnification may or may not be useable depending on the lens.
    In fact that probably won't work, normally you put a short lens reversed
    on a longer lens & the powershot is inherently short at any zoom range.
    I have an old slide projector lens, quite small that can be held to the
    front of my P&S digital that does great magnification but it vignettes
    as a circle in a black background:
    <http://www.edgehill.net/1/?SC=go.ph...ea/San-Francisco/our-garden/other&PG=1&PIC=3>
    -the following picture is without the lens attached
    -the lens almost scrapes against the subject it's so close
     
    Paul Furman, Apr 9, 2006
    #3
  4. jclark

    Andy Guest

    It can work well. I snapped these guys with a reversed Praktica 50mm f/1.8
    on a Powershot A70.
    http://www.squit.plus.com/photo/macros.html
    Like with your projector lens you have to get really close though.
     
    Andy, Apr 10, 2006
    #4
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