Nikon AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED on Nikon D7100 vs Sigma 18-50mm F2.8 EX DC Macro HSM Nikon on Nikon D7100 vs Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon on Nikon D7100

COMPARISON SELECTION (3 selected items max.)

DxOMark Score

Best at f=28mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
3.4 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
14 µm

DxOMark Score

Best at f=18mm & f/2.8 [?]
19

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.2 %
Vignetting [?]
-1 EV
Chr. aberration [?]
8 µm

DxOMark Score

Best at f=24mm & f/3.2 [?]
19

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
4.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
8 µm