At 8/28/2020 12:37 PM, Larry wrote:
>I just purchased a refurbished M. Zuiko 12-100mm lens directly from Olympus.Â
>As soon as I unboxed it today, I heard a rattle sound if I shook the lens.Â
>It appears that the extending lens tube (the piece that gets longer when you
>zoom the lens out from 12mm) is a little loose. The rattle is more
>pronounced at 100mm than at 12mm. Is this normal, or have I received a lens
>that is not as tight as it should be?
>
>Similarly (or maybe coincidentally), about two weeks ago I noticed a similar
>looseness in the extending tube of my 12-40mm M. Zuiko lens when it was at the
>40mm end. I had not noticed that before. After seeing this problem on the
>12-100mm lens, I gave a closer look at my 12-40mm lens, and saw that the
>extending tube was loose and rattled at all focal lengths, though more
>pronounced at the 40mm end. Again my question is: Is this normal and I just
>hadn't noticed it before, or has something loosened up, and the lens should
>get maintenance? The 12-40mm is about five years old, and I purchased it
>new. For whatever it is worth, the looseness and shaking is much less
>noticeable in the smaller lens.
>
>Advice, please?
I have no experience with those lenses. Only question I would ask is does it go
away when mounted on a camera and camera powered on? If still rattle, I would
definitely say the lens has a problem.
WayneS
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