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| p.1 #10 · Canon EF 500 f/4L II and wobbling sound. |
You didn't specifically say, but I presume that the lens was damaged and had to be repaired? Does this mean that the rear element is part of the IS mechanism?
The lens was not damaged at all. The rear element seemed loose/wobbly. The issue was fixed by mounting the lens on the camera, half pressing the shutter button and turning the camera off.
I had never seeing this before and thought it was interesting as well. I later tested the lens and was tack sharp like always.
It could be that the lens was removed while the IS mechanism was not entirely shut off. The tech mentioned the 100L macro having a similar issue.
If this happens to any of you, at least now you will know what to do.