Sigma 18-250mm F3.5-6.3 DC OS HSM Canon on Canon EOS 450D, DIGITAL REBEL Xsi or Kiss X2 vs Sigma 70-300mm F4-5.6 DG OS Canon on Canon EOS 450D, DIGITAL REBEL Xsi or Kiss X2 vs Sigma 70-300mm F4-5.6 APO-M DG Macro Canon on Canon EOS 450D, DIGITAL REBEL Xsi or Kiss X2

COMPARISON SELECTION (3 selected items max.)
Sigma 18-250mm F3.5-6.3 DC OS HSM Canon
Sigma 18-250mm F3.5-6.3 DC OS HSM Canon

DXOMARK Score
Best at f=24mm & f/4 [?]
7

Lens Metric Scores

Sharpness [?]
4 P-Mpix
Transmission [?]
5.8 TStop
Distortion [?]
0.4 %
Vignetting [?]
-0.7 EV
Chr. aberration [?]
8 µm
Sigma 70-300mm F4-5.6 DG OS Canon
Sigma 70-300mm F4-5.6 DG OS Canon

DXOMARK Score
Best at f=70mm & f/5.6 [?]
8

Lens Metric Scores

Sharpness [?]
5 P-Mpix
Transmission [?]
5.4 TStop
Distortion [?]
0.1 %
Vignetting [?]
-0.4 EV
Chr. aberration [?]
4 µm
Sigma 70-300mm F4-5.6 APO-M DG Macro Canon
Sigma 70-300mm F4-5.6 APO-M DG Macro Canon

DXOMARK Score
Best at f=70mm & f/4 [?]
9

Lens Metric Scores

Sharpness [?]
6 P-Mpix
Transmission [?]
5.1 TStop
Distortion [?]
0.2 %
Vignetting [?]
-0.6 EV
Chr. aberration [?]
6 µm