Sigma 18-35mm F1.8 DC HSM A Canon on Canon EOS 500D, DIGITAL REBEL T1i or Kiss Digital X3 vs Canon EF-S 18-135mm f/3.5-5.6 IS on Canon EOS 7D Mark II

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 [?]
22

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
1.8 TStop
Distortion [?]
0.3 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
7 µm
Canon EF-S 18-135mm f/3.5-5.6 IS
Canon EF-S 18-135mm f/3.5-5.6 IS

DXOMARK Score
Best at f=24mm & f/4 [?]
13

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.6 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
9 µm