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Thread: Agfa half frame

  1. #11
    nicholai's Avatar
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    It can reflect (contrary to absorb) the light, and thus it will look like that.
    Nicholai Nissen
    Kolding, Denmark
    nicholainissen@gmail.com

  2. #12
    Thomas Bertilsson's Avatar
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    Looks to be some dust trapped between the lens elements...

    Since the camera isn't worth anything, I might just try to see if I can do something about that.
    "Often moments come looking for us". - Robert Frank

    "Make good art!" - Neil Gaiman

    "...the heart and mind are the true lens of the camera". - Yousuf Karsh

  3. #13
    Thomas Bertilsson's Avatar
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    Agfa half frame

    Quote Originally Posted by desertratt View Post
    It's impossible to tell the problem from one frame. Are you sure it's not just "normal" lens flair that comes from pointing the camera toward the sun? Some lenses handle such flare better than others. Do you use a lens hood?
    Basically all of the frames have the same problem, whether it's sunny or cloudy. Just to different degree, depending on how narrow the direction of the lens is to looking into the sun.

    If it's normal flare, then this camera is truly not worth trying to save.

    There is no shade for this camera.
    "Often moments come looking for us". - Robert Frank

    "Make good art!" - Neil Gaiman

    "...the heart and mind are the true lens of the camera". - Yousuf Karsh

  4. #14
    AgX
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    The lens is a triplet, most probably completely coated.

  5. #15

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    hi thomas

    could there be a hole the aperture or shutter ?
    can you cock and fire the shutter with the back open
    and point it at a strong light source and see if it is there ?
    i am not familiar with that camera, does it happen with the lens OPEN all the way ?

    india ink and white glue might be a nice friend to have ...
    Ես այլեւս չի պատասխանելու իմ էլեկտրոնային փոստով
    եթե դուք պետք է ինձ դիմեք ինձ միջոցով իմ կայքը կամ բլոգում

  6. #16
    Thomas Bertilsson's Avatar
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    Quote Originally Posted by AgX View Post
    The lens is a triplet, most probably completely coated.
    I really like the lens, and was going to use it for snapshots. A roll of Tri-X in it and it's the perfect little documentary camera, if it wasn't for this irritating issue.
    The aperture is, strangely enough, square. Only four blades. Not sure if that affects anything.

  7. #17
    AgX
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    Some AE-cameras had only two aperture blades...

  8. #18
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    Agfa half frame

    Quote Originally Posted by jnanian View Post
    hi thomas

    could there be a hole the aperture or shutter ?
    can you cock and fire the shutter with the back open
    and point it at a strong light source and see if it is there ?
    i am not familiar with that camera, does it happen with the lens OPEN all the way ?

    india ink and white glue might be a nice friend to have ...
    Maybe. It's fixed 1/125 shutter speed, but if I use bulb and point it into strong light, the aperture should be tiny. That might be a good chance of seeing holes in shutter/aperture.

    I want this little guy to work. It's such a neat little camera.
    "Often moments come looking for us". - Robert Frank

    "Make good art!" - Neil Gaiman

    "...the heart and mind are the true lens of the camera". - Yousuf Karsh

  9. #19

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    I would take a close look at each of the lens elements, particularly the rear optic and look for a defect or chip.

  10. #20
    Thomas Bertilsson's Avatar
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    Quote Originally Posted by elekm View Post
    I would take a close look at each of the lens elements, particularly the rear optic and look for a defect or chip.
    I will do that, as it might help explain what I'm seeing. It looks mostly just like there's 'stuff' trapped in between the lens elements.

    For what it's worth, I can't detect any holes or defects in the shutter or the aperture. It must be lens related since it varies with how the camera is angled with respect to sunlight, and how intense the sun is.
    "Often moments come looking for us". - Robert Frank

    "Make good art!" - Neil Gaiman

    "...the heart and mind are the true lens of the camera". - Yousuf Karsh

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