Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR on Pentax K-3 vs Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Pentax on Pentax K-3

SÉLECTION (3 produits max.)
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
Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Pentax
Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Pentax

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

Valeurs clés

Piqué [?]
9 P-Mpix
Transmission [?]
3.2 TStop
Distorsion [?]
0.1 %
Vignettage [?]
-0.4 EV
Aberration chr. [?]
6 µm