Sigma 17-50mm F2.8 EX DC OS HSM Canon on Canon EOS 70D vs Canon EF-S 18-135mm F3.5-5.6 IS STM on Canon EOS 70D

COMPARISON SELECTION (3 selected items max.)
Sigma 17-50mm F2.8 EX DC OS HSM Canon
Sigma 17-50mm F2.8 EX DC OS HSM Canon

DXOMARK Score
Best at f=21mm & f/2.8 [?]
17

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.3 TStop
Distortion [?]
0.3 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
11 µm
Canon EF-S 18-135mm F3.5-5.6 IS STM
Canon EF-S 18-135mm F3.5-5.6 IS STM

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

Lens Metric Scores

Sharpness [?]
9 P-Mpix
Transmission [?]
5 TStop
Distortion [?]
0.5 %
Vignetting [?]
-0.9 EV
Chr. aberration [?]
10 µm