What's wrong with DxO Mark?

Started 2 months ago | Discussions thread
falconeyes
Contributing MemberPosts: 764
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My personal advice ...
In reply to Bunza, 2 months ago

... is to use the DxO tests but ignore their scores at the same time. Their score metrics is seriously broken, their tests are outstandingly good.

Just one reason why their scores must be ignored is that it includes sensor noise, arbitrary use case assumptions and human vision weight factors, all in an undocumented way.

But the cure is easy enough: DPReview republishes all of DxO's results in an established and reliable metric: the MTF chart. Just open the following link and select your lens/body combination, ot two of them for comparison. That's the way I use DxO's tests all the time ... Here you go:

-> http://www.dpreview.com/reviews/lens-compare-fullscreen

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Falk Lumo

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