Tamron SP 15-30mm F/2.8 Di VC USD (Model A012) Nikon on Nikon D7000 vs Sigma 18-35mm F1.8 DC HSM A Nikon on Nikon D7000

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=24mm & f/2.8 [?]
17

Lens Metric Scores

Sharpness [?]
8 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.5 EV
Chr. aberration [?]
12 µm

DXOMARK Score

Best at f=18mm & f/1.8 [?]
23

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
1.9 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.3 EV
Chr. aberration [?]
8 µm