Canon EF 100-400mm f/4.5-5.6L IS USM on Canon EOS 5D Mark III vs Canon EF 200-400mm f/4L IS USM Extender 1.4x on Canon EOS 5D Mark III

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=100mm & f/4.5 [?]
16

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
6 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
8 µm

DXOMARK Score

Best at f=300mm & f/4 [?]
24

Lens Metric Scores

Sharpness [?]
19 P-Mpix
Transmission [?]
4.7 TStop
Distortion [?]
0 %
Vignetting [?]
-1 EV
Chr. aberration [?]
2 µm