Sony DT 16-50mm F2.8 SSM on Sony SLT Alpha 77 vs Sigma 17-50mm F2.8 EX DC OS HSM Nikon on Nikon D7100 vs Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Nikon on Nikon D7100

COMPARISON SELECTION (3 selected items max.)
Sony DT 16-50mm F2.8 SSM
Sony DT 16-50mm F2.8 SSM

DXOMARK Score
Best at f=24mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
2.9 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
7 µm
Sigma 17-50mm F2.8 EX DC OS HSM Nikon
Sigma 17-50mm F2.8 EX DC OS HSM Nikon

DXOMARK Score
Best at f=50mm & f/2.8 [?]
20

Lens Metric Scores

Sharpness [?]
14 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
10 µm
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Nikon
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Nikon

DXOMARK Score
Best at f=17mm & f/2.8 [?]
18

Lens Metric Scores

Sharpness [?]
13 P-Mpix
Transmission [?]
3.4 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1 EV
Chr. aberration [?]
5 µm