Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon on Canon EOS 500D, DIGITAL REBEL T1i or Kiss Digital X3 vs Sigma 17-50mm F2.8 EX DC OS HSM Canon on Canon EOS 500D, DIGITAL REBEL T1i or Kiss Digital X3 vs Sigma 18-50mm F2.8-4.5 DC OS HSM Canon on Canon EOS 500D, DIGITAL REBEL T1i or Kiss Digital X3

SÉLECTION (3 produits max.)
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon

Score DXOMARK
Optimale à f=17mm & f/2.8 [?]
12

Valeurs clés

Piqué [?]
8 P-Mpix
Transmission [?]
3.3 TStop
Distorsion [?]
0.3 %
Vignettage [?]
-0.7 EV
Aberration chr. [?]
6 µm
Sigma 17-50mm F2.8 EX DC OS HSM Canon
Sigma 17-50mm F2.8 EX DC OS HSM Canon

Score DXOMARK
Optimale à f=21mm & f/2.8 [?]
14

Valeurs clés

Piqué [?]
7 P-Mpix
Transmission [?]
3.1 TStop
Distorsion [?]
0.3 %
Vignettage [?]
-0.7 EV
Aberration chr. [?]
11 µm
Sigma 18-50mm F2.8-4.5 DC OS HSM Canon
Sigma 18-50mm F2.8-4.5 DC OS HSM Canon

Score DXOMARK
Optimale à f=18mm & f/2.8 [?]
9

Valeurs clés

Piqué [?]
6 P-Mpix
Transmission [?]
4.1 TStop
Distorsion [?]
0.4 %
Vignettage [?]
-0.9 EV
Aberration chr. [?]
10 µm