Nikon AF Nikkor 20mm f/2.8D on Nikon D7100 vs Sigma 20mm F1.8 EX DG ASP RF Nikon on Nikon D7100 vs Samyang 24mm f/1.4 ED AS UMC Nikon on Nikon D7100

SÉLECTION (3 produits max.)
Nikon AF Nikkor 20mm f/2.8D
Nikon AF Nikkor 20mm f/2.8D

Score DXOMARK
Optimale à f=20mm & f/4 [?]
19

Valeurs clés

Piqué [?]
12 P-Mpix
Transmission [?]
3.4 TStop
Distorsion [?]
0.7 %
Vignettage [?]
-0.8 EV
Aberration chr. [?]
22 µm
Sigma 20mm F1.8 EX DG ASP RF Nikon
Sigma 20mm F1.8 EX DG ASP RF Nikon

Score DXOMARK
Optimale à f=20mm & f/2.8 [?]
22

Valeurs clés

Piqué [?]
16 P-Mpix
Transmission [?]
2.2 TStop
Distorsion [?]
0.6 %
Vignettage [?]
-1 EV
Aberration chr. [?]
7 µm
Samyang 24mm f/1.4 ED AS UMC Nikon
Samyang 24mm f/1.4 ED AS UMC Nikon

Score DXOMARK
Optimale à f=24mm & f/1.4 [?]
24

Valeurs clés

Piqué [?]
15 P-Mpix
Transmission [?]
1.7 TStop
Distorsion [?]
0.5 %
Vignettage [?]
-0.9 EV
Aberration chr. [?]
9 µm