Sigma 20mm F1.4 DG HSM A Canon on Canon EOS 5D Mark III vs Canon EF 20mm f/2.8 USM on Canon EOS 5D Mark III vs Carl Zeiss Distagon T 21mm f/2.8 ZE Canon on Canon EOS 5D Mark III

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=20mm & f/1.4 [?]
31

Lens Metric Scores

Sharpness [?]
18 P-Mpix
Transmission [?]
1.7 TStop
Distortion [?]
0.8 %
Vignetting [?]
-1.7 EV
Chr. aberration [?]
6 µm

DXOMARK Score

Best at f=20mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
14 P-Mpix
Transmission [?]
3.1 TStop
Distortion [?]
0.5 %
Vignetting [?]
-2.4 EV
Chr. aberration [?]
12 µm

DXOMARK Score

Best at f=21mm & f/2.8 [?]
22

Lens Metric Scores

Sharpness [?]
15 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.5 %
Vignetting [?]
-1.9 EV
Chr. aberration [?]
5 µm