Unheard of Camera Issue

Discussion in 'Digital Discussion & Q&A' started by mo_tography, Sep 6, 2009.

  1. mo_tography

    mo_tography TPF Noob!

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    Alright, so I have Canon 5D that has an issue I've never heard of, nor can I find any information on.

    When I look through the viewfinder, I see only a circle of visible image, as if the picture were vignetted. This does not change when I change lenses, nor when I change settings or anything on my camera. I've asked several other professionals I know, but no one seems to know what could be wrong. Now, I will take it to a shop if necessary, but this is my main camera for work so I would rather not have to leave it somewhere to be worked on.

    Has anyone heard of this happening before or have any suggestions?

    Thanks.
     
  2. Garbz

    Garbz No longer a newbie, moving up!

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    Take the lens off. Is it still there without a lens? Look in the view finder, you will see something.

    What 5D is it? 5DMkII? are you using EF or EF-S lenses?
     
  3. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    As far as I know the 5D won't take EFS lenses on its mount without an adaptor or some modification. So I assume your not using an EFS lens (which would give the effect you describe).
    Other than that I can't help - sorry
     
  4. mo_tography

    mo_tography TPF Noob!

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    It's a Canon EOS 5D which uses EF lenses, sorry for not being a little more specific.
    Yes, the problem persists even without the lenses attached. It's very strange.
     
  5. Battou

    Battou No longer a newbie, moving up!

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    I have to assume it's the first generation 5D, it did not have an "MK" designation, it was just the EOS 5D



    *EDIT*
    Damnit, I need to read and type faster :lol:
     
  6. mo_tography

    mo_tography TPF Noob!

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    The mirror could possibly be an issue, though I've checked it and can't find a problem.
    Do have any recommendations on how to re-align it, or is that best left to a professional?
     
  7. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    Unless you have experience with fixing hte innerds of cameras I would say best thing is to let a professional deal with it. If if its a recent shop purchase then you should be able to get it fixed under warrenty
     
  8. Derrel

    Derrel Mr. Rain Cloud

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    Canon 5D's have a issue with the mirror coming unglued and falling off. A few months ago, Canon sent out a press release announcing a free repair, which involves attaching two retaining clips, one on each side of the mirror, to hold the mirror on securely.

    Here is the official Canon USA web page announcing the repair.

    Support - EOS (SLR) Camera Systems - EOS Digital SLR Cameras - EOS 35mm SLR Cameras - Lenses - Flashes - EOS 5D - Service Notices - Canon USA Consumer Products

    As Cano states: "Thank you for using Canon products.

    We have discovered that, in rare instances, the main mirror of some EOS 5D Digital SLR cameras may detach due to deterioration in the strength of the adhesive. Accordingly, we would like to convey the details and our service policy concerning this phenomenon."
     
  9. mo_tography

    mo_tography TPF Noob!

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    Alright, perhaps I'll check that out and see if it is indeed an issue with the mirror. Thanks for the help.
     
  10. Antithesis

    Antithesis No longer a newbie, moving up!

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    My 5D had a problem where the mirror started to warp and get sort of an "oil slick" look around the edges and I think it was the beginnings of the problem you mentioned. I think it was from heat, but I'm not certain.

    If it's not the mirror, it might be the pentaprism as well.
     
  11. Dwig

    Dwig TPF Noob!

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    Not likely the pentaprism, but likely the focusing screen. If the screen became dislodged you would only see a central circular patch of light.
     
  12. mo_tography

    mo_tography TPF Noob!

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    Yeah, it's not the mirror, so I'll check the focusing screen.
     

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