Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Canon on Canon EOS 70D vs Canon EF-S 15-85mm f/3.5-5.6 IS USM on Canon EOS 70D

COMPARISON SELECTION (3 selected items max.)

DXOMARK Score

Best at f=24mm & f/3.2 [?]
16

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
4 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
6 µm

DXOMARK Score

Best at f=15mm & f/3.5 [?]
13

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
8 µm