Canon EF 100-400mm f/4.5-5.6L IS II USM on Canon EOS 5DS R vs Sigma 120-300mm F2.8 DG OS HSM S Canon on Canon EOS 5DS R

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=135mm & f/5 [?]
26

Lens Metric Scores

Sharpness [?]
24 P-Mpix
Transmission [?]
5.6 TStop
Distortion [?]
0.2 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
4 µm

DXOMARK Score

Best at f=300mm & f/2.8 [?]
35

Lens Metric Scores

Sharpness [?]
32 P-Mpix
Transmission [?]
2.8 TStop
Distortion [?]
0.2 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
7 µm