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Thread: EF-S 18-200mm lens issue

  1. #1
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    Default EF-S 18-200mm lens issue

    Hi. I have the above lens. I noticed that after taking a photo, I zoom in and can see the centre is focused, but the edges (all 4) are blured and out of focus. Its most noticable when zoomed out (18mm). I treid my kit lens 18-55mm with the same settings and same shot. The photo is focused all over. Why is this so? Is my 18-200mm lens faulty? or needs calibrating? Thanks!

  2. #2
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    Default Re: EF-S 18-200mm lens issue

    what aperture were you shooting at??
    i think it's the characteristic of the lens.. corner softness at 18mm when shot wide open..
    happens to most tele zooms of your range..

    correct me if i'm wrong
    Canon 550D | EF-S 18-55mm f/3.5-5.6IS | EF 50mm f/1.8II |
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  3. #3

    Default Re: EF-S 18-200mm lens issue

    post some pictures would be easiest to pinpoint the issue.

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    Default Re: EF-S 18-200mm lens issue

    Quote Originally Posted by Diluted View Post
    what aperture were you shooting at??
    i think it's the characteristic of the lens.. corner softness at 18mm when shot wide open..
    happens to most tele zooms of your range..

    correct me if i'm wrong
    Maybe you are right. I used Av mode and lowest f value.

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    Default Re: EF-S 18-200mm lens issue

    Quote Originally Posted by gundamseed84 View Post
    post some pictures would be easiest to pinpoint the issue.

    Roger... will post up a few.

  6. #6
    Senior Member Diavonex's Avatar
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    Default Re: EF-S 18-200mm lens issue

    Read the verdict on the review of this lens.

    http://www.photozone.de/canon-eos/40...3556is?start=2

    Quote: "At 18mm the border resolution is soft ................................."

  7. #7
    Moderator ed9119's Avatar
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    Default Re: EF-S 18-200mm lens issue

    dont be kiasu..... u have posted an identical thread in Canon subforum

    thread closed .... guideline reminder served
    shaddap and just shoot .... up close
    Walkeast

  8. #8
    Moderator ed9119's Avatar
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    Default Re: EF-S 18-200mm lens issue

    dont be kiasu..... u have posted an identical thread in Canon subforum

    thread closed .... guideline reminder served
    shaddap and just shoot .... up close
    Walkeast

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