Lens Contact Problem - 18-135 IS

Discussion in 'Photography Equipment & Products' started by HJW, Mar 24, 2012.

  1. HJW

    HJW TPF Noob!

    Dec 27, 2011
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    Hello all.
    Just recently, I could start hearing sounds coming from my 18-135. Sounds, like a very small fragment of plastic rolling around the lens internally, and I would hear it whenever I changed the orientation of the lens.
    Sometimes, when zooming, the zoom gets stuck on that 'bit', I would have to tilt the camera back, listen for it to fall out of place then am able to zoom.
    Furthermore, the focal length EXIF data is inaccurate. I would shoot at an extremely wide angle of 18 or 20mm, but the EXIF would display 135mm. As a result, the maximum aperture automatically stops down to 5.0 or 5.6, even though it should be at 3.5 at 18mm.

    I have dropped the lens only once, and that was about 5 months back. The UV filter smashed, and is there a possibility a glass fragment entered the lens? But if so, it should be visible at the lens portion, not the electrical contacts.

    Can any shed some light on this issue?


  2. Dao

    Dao No longer a newbie, moving up!

    Mar 24, 2008
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    St. Louis

    I guess it is time for taking the lens to Canon repair center have them take a look.

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