Canon EF 17-40mm f/4L USM on Canon EOS 5DS R vs Samyang 14mm f/2.8 IF ED UMC Aspherical Canon on Canon EOS 5DS R vs Samyang 35mm F1.4 AS UMC Canon on Canon EOS 5DS R

SÉLECTION (3 produits max.)
Canon EF 17-40mm f/4L USM
Canon EF 17-40mm f/4L USM

Score DXOMARK
Optimale à f=24mm & f/4 [?]
26

Valeurs clés

Piqué [?]
18 P-Mpix
Transmission [?]
4.4 TStop
Distorsion [?]
0.4 %
Vignettage [?]
-1.6 EV
Aberration chr. [?]
11 µm
Samyang 14mm f/2.8 IF ED UMC Aspherical Canon
Samyang 14mm f/2.8 IF ED UMC Aspherical Canon

Score DXOMARK
Optimale à f=14mm & f/2.8 [?]
31

Valeurs clés

Piqué [?]
18 P-Mpix
Transmission [?]
3.3 TStop
Distorsion [?]
1.6 %
Vignettage [?]
-2.9 EV
Aberration chr. [?]
10 µm
Samyang 35mm F1.4 AS UMC Canon
Samyang 35mm F1.4 AS UMC Canon

Score DXOMARK
Optimale à f=35mm & f/2 [?]
34

Valeurs clés

Piqué [?]
15 P-Mpix
Transmission [?]
1.7 TStop
Distorsion [?]
0.7 %
Vignettage [?]
-1.8 EV
Aberration chr. [?]
6 µm