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jcolwell wrote:
I'm good with using Zeiss MTF tests to make my decisions regarding MTF characteristics, when I'm thinking about buying Zeiss lenses. Until and unless somebody shows a problem with the Zeiss MTF methodology, I'm content to use it as the MTF baseline. Other test providers that provide conflicting data are simply part of the input, at a lower level of perceived reliability (for me), than the OEM. Happens all the time, and not only with Zeiss.
Huh? I wasn't promoting one over the other, just saying that optical bench testing, like the kind Zeiss does, may not be impacted by coating changes, where the kind DxO does, camera + lens shooting a backlit target, certainly would be impacted by improved anti-reflective coatings.
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