Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon on Nikon D500 vs Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR on Pentax K-3

SÉLECTION (3 produits max.)
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon

Score DXOMARK
Optimale à f=24mm & f/3.2 [?]
21

Valeurs clés

Piqué [?]
9 P-Mpix
Transmission [?]
4.7 TStop
Distorsion [?]
0.4 %
Vignettage [?]
-1 EV
Aberration chr. [?]
8 µm
Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR
Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR

Score DXOMARK
Optimale à f=30mm & f/3.5 [?]
17

Valeurs clés

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