Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon on Canon EOS 50D vs Canon EF-S 17-55mm f/2.8 IS USM on Canon EOS 50D

COMPARISON SELECTION (3 selected items max.)
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 [?]
12

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
3.5 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
4 µm
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 [?]
13

Lens Metric Scores

Sharpness [?]
7 P-Mpix
Transmission [?]
3.5 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1.1 EV
Chr. aberration [?]
6 µm