Canon EF 200-400mm f/4L IS USM Extender 1.4x ON on Canon EOS-1D X Mark II vs Canon EF 200-400mm f/4L IS USM Extender 1.4x on Canon EOS 7D Mark II vs Canon EF 300mm f/2.8L IS II USM on Canon EOS-1D X Mark II

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=350mm & f/5.6 [?]
18

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
6.9 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
4 µm

DXOMARK Score

Best at f=300mm & f/4 [?]
17

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
4.7 TStop
Distortion [?]
0 %
Vignetting [?]
-0.3 EV
Chr. aberration [?]
2 µm

DXOMARK Score

Best at f=300mm & f/2.8 [?]
32

Lens Metric Scores

Sharpness [?]
20 P-Mpix
Transmission [?]
3.4 TStop
Distortion [?]
0 %
Vignetting [?]
-1 EV
Chr. aberration [?]
4 µm