Sigma 18-50mm F2.8-4.5 DC OS HSM Canon on Canon EOS 400D, DIGITAL REBEL Xti or Kiss Digital X vs Sigma 18-50mm F2.8-4.5 DC OS HSM Canon on Canon EOS 70D vs Sony E 16-50mm f/3.5-5.6 on Sony A6000

COMPARISON SELECTION (3 selected items max.)
Sigma 18-50mm F2.8-4.5 DC OS HSM Canon
Sigma 18-50mm F2.8-4.5 DC OS HSM Canon

DXOMARK Score
Best at f=18mm & f/2.8 [?]
8

Lens Metric Scores

Sharpness [?]
4 P-Mpix
Transmission [?]
4.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm
Sigma 18-50mm F2.8-4.5 DC OS HSM Canon
Sigma 18-50mm F2.8-4.5 DC OS HSM Canon

DXOMARK Score
Best at f=18mm & f/2.8 [?]
12

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
4.2 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm
Sony E 16-50mm f/3.5-5.6
Sony E 16-50mm f/3.5-5.6

DXOMARK Score
Best at f=16mm & f/4 [?]
13

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.2 TStop
Distortion [?]
1.3 %
Vignetting [?]
-1.8 EV
Chr. aberration [?]
10 µm