Strange Blurring of Subject with 70-200 f4 IS (Link to Image)

24Peter wrote:

To the OP: FWIW, this is what images from my 70-200 F4 L IS looked like right before it fell apart on the inside. Is your lens making any strange rattling noises when it's off your camera? Mine needed to be rebuilt by Canon (it was out of warranty). I purchased it new but it just kind of fell apart on it's own after 2 years of moderate use, i.e., sat mostly in my camera bag. Now it's fine but it cost around $200 to fix.

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