Canon EF-S 17-55mm f/2.8 IS USM on Canon EOS 70D vs Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon on Canon EOS 70D vs Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Canon on Canon EOS 70D

COMPARISON SELECTION (3 selected items max.)
Canon EF-S 17-55mm f/2.8 IS USM
Canon EF-S 17-55mm f/2.8 IS USM

DXOMARK Score
Best at f=35mm & f/2.8 [?]
16

Lens Metric Scores

Sharpness [?]
11 P-Mpix
Transmission [?]
3.6 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.2 EV
Chr. aberration [?]
6 µm
Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon
Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon

DXOMARK Score
Best at f=24mm & f/3.5 [?]
15

Lens Metric Scores

Sharpness [?]
10 P-Mpix
Transmission [?]
3.6 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.8 EV
Chr. aberration [?]
4 µm
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Canon
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Canon

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