Sigma 17-50mm F2.8 EX DC OS HSM Canon on Canon EOS 7D vs Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Canon on Canon EOS 7D vs Canon EF-S 17-55mm f/2.8 IS USM on Canon EOS 7D

SÉLECTION (3 produits max.)
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 [?]
16

Valeurs clés

Piqué [?]
8 P-Mpix
Transmission [?]
3.1 TStop
Distorsion [?]
0.3 %
Vignettage [?]
-0.7 EV
Aberration chr. [?]
11 µm
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 [?]
14

Valeurs clés

Piqué [?]
10 P-Mpix
Transmission [?]
3.3 TStop
Distorsion [?]
0.3 %
Vignettage [?]
-0.7 EV
Aberration chr. [?]
6 µm
Canon EF-S 17-55mm f/2.8 IS USM
Canon EF-S 17-55mm f/2.8 IS USM

Score DXOMARK
Optimale à f=35mm & f/2.8 [?]
15

Valeurs clés

Piqué [?]
9 P-Mpix
Transmission [?]
3.4 TStop
Distorsion [?]
0.4 %
Vignettage [?]
-1.1 EV
Aberration chr. [?]
6 µm