FE 24-70 f/4: Holding me back from going to A7x

Started Aug 26, 2015 | Discussions thread
zlatko Regular Member • Posts: 401
Re: The FE24-70 is as good as ------>

I frankly don't understand DxO's DxOMark Score. Compare the Sony FE Carl Zeiss 24-70/4 on the A7R (36mp) with the Canon EF 24-70/4L IS on the 5D3 (22.3mp), and the Canon scores a little better for:

  1. sharpness ... 16 vs. 15
  2. transmission ... 4 vs. 4.4
  3. distortion ... 0.2 vs. 1.0
  4. vignetting ... -1.3 vs. -1.7
  5. chr. aberration ... 8 vs. 9

Canon scores are on the left. So the Canon appears to be better on every measure. And yet the Canon gets a DxOMark score of 21 while the Sony gets a DxOMark score of 25. How?!

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