Sigma 17-50mm F2.8 EX DC HSM Pentax on Pentax K-S1 vs Pentax smc PENTAX DA 16-45mm F4 ED AL on Pentax K-S1 vs Sigma 17-70mm F2.8-4 DC MACRO HSM C Pentax on Pentax K-S1

SÉLECTION (3 produits max.)
Sigma 17-50mm F2.8 EX DC HSM Pentax
Sigma 17-50mm F2.8 EX DC HSM Pentax

Score DXOMARK
Optimale à f=50mm & f/2.8 [?]
19

Valeurs clés

Piqué [?]
12 P-Mpix
Transmission [?]
3.2 TStop
Distorsion [?]
0.3 %
Vignettage [?]
-1.1 EV
Aberration chr. [?]
9 µm
Pentax smc PENTAX DA 16-45mm F4 ED AL
Pentax smc PENTAX DA 16-45mm F4 ED AL

Score DXOMARK
Optimale à f=28mm & f/4 [?]
18

Valeurs clés

Piqué [?]
11 P-Mpix
Transmission [?]
4.2 TStop
Distorsion [?]
0.3 %
Vignettage [?]
-0.8 EV
Aberration chr. [?]
16 µm
Sigma 17-70mm F2.8-4 DC MACRO HSM C Pentax
Sigma 17-70mm F2.8-4 DC MACRO HSM C Pentax

Score DXOMARK
Optimale à f=24mm & f/3.5 [?]
18

Valeurs clés

Piqué [?]
9 P-Mpix
Transmission [?]
3.9 TStop
Distorsion [?]
0.4 %
Vignettage [?]
-1 EV
Aberration chr. [?]
8 µm