Sigma 18-35mm F1.8 DC HSM A Canon on Canon EOS 7D Mark II vs Carl Zeiss Loxia 2.8/21 on Sony A6000 vs Carl Zeiss Batis 25mm F2 Sony FE on Sony NEX-7

COMPARISON SELECTION (3 selected items max.)
Sigma 18-35mm F1.8 DC HSM A Canon
Sigma 18-35mm F1.8 DC HSM A Canon

DXOMARK Score
Best at f=18mm & f/1.8 [?]
27

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
1.8 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
7 µm
Carl Zeiss Loxia 2.8/21
Carl Zeiss Loxia 2.8/21

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

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
3.2 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
9 µm
Carl Zeiss Batis 25mm F2 Sony FE
Carl Zeiss Batis 25mm F2 Sony FE

DXOMARK Score
Best at f=25mm & f/2 [?]
22

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
2.3 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
8 µm