About OSS degrading image quality

Started Apr 29, 2013 | Questions thread
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KM Legacy Senior Member • Posts: 1,955
Re: About OSS degrading image quality

Decentering of any element reduces IQ. You often see lens tests where they criticize a lens for being decentered (manufacturing error). If I understand OIS correctly, it works by deliberately decentering one or more elements.

I'm not sure that the element continues to float on a tripod, but I can imagine that it often never really returns to the centered position.

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