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Canon 100-400L IS

Discussion in 'Lens Matters' started by Wavemachine, Feb 3, 2018.

  1. Wavemachine

    Wavemachine Member

    a few months ago I bought a second hand Canon 100-400L IS, this is the original mki version.

    I noticed today when taking the lens off there is a slight chinking noise when it is turned over, I am guessing this is the bearings in the friction ring, is this normal?

  2. PeteRob

    PeteRob Well-Known Member

    The early IS lenses can rattle a bit. I don't know about that particular one.
  3. Wavemachine

    Wavemachine Member

    I am guessing it is a fairly early version of IS as it is only two stop and the lens was originally released in 1998.
  4. nimbus

    nimbus Well-Known Member

    The IS works by slight movement of some elements, as such they tend to have a slight rattle, only worry about it if things are not working properly.
  5. Wavemachine

    Wavemachine Member

    Cheers thanks, I am looking at the mkii version of the lens and was looking to sell this one maybe it has always done it and I haven’t taken any notice of it.
  6. Wavemachine

    Wavemachine Member

    Thanks for the replies, the mystery is now solved, it is the Tripod ring the sound is coming from inside there, I think something has come loose as now having removed it the thumb screw won’t tighten, the thread looks pretty bad as well so I would say it was always a bit dodgy as this is the first time I have ever removed it.

    Seems to be around £120 for a genuine canon replacement but I only bought the lens in August and it has a 12 month warranty so I will try to get them to replace it.

    Thanks to everyone who replied.

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