Canon EF 200-400mm f/4L IS USM Extender 1.4x ON

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Canon EF 200-400mm f/4L IS USM Extender 1.4x ON

Canon EF 200-400mm f/4L IS USM Extender 1.4x ON

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DXOMARK Score [?]

Best at f=420mm & f/5.6 [?]
21

Lens Metric Scores [?]

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