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p.1 #6 · p.1 #6 · Bought a used 135 f2. Is this internal shaking sound normal? | |
I found one of my lenses making a noise, and discovered that the front element was loose. I have a spanner wrench, so I tightened it up and all was fine. I believe it was my 135mm f/2.
I thought it was caused by me buying a Kenko TC for my 5D MK III and testing it on different lenses. Some of them, like the 135mm f/2 were unstable and AF started vibrating at a fast rate. Other lenses worked fine. In the end, with the AF issues and the camera lockup with certain lenses attached, I returned the TC.
Seeing the front element move was difficult, but holding it with my fingers while shaking the lens quickly isolated the issue.
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