Sigma 17-35mm F2.8-4 EX DG Aspherical HSM Canon on Canon EOS 5DS R vs Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Pentax on Pentax K-3

选择对比（最多3项）
Sigma 17-35mm F2.8-4 EX DG Aspherical HSM Canon
Sigma 17-35mm F2.8-4 EX DG Aspherical HSM Canon

DxOMark 分数
最佳表现于 f=17mm & f/2.8 [?]
24

镜头分数

清晰度 [?]
11 感知Mpix
透光量 [?]
4 TStop
畸变 [?]
0.4 %
渐晕 [?]
-1.6 EV
色差 [?]
9 微米
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

DxOMark 分数
最佳表现于 f=35mm & f/2.8 [?]
15

镜头分数

清晰度 [?]
9 感知Mpix
透光量 [?]
3.2 TStop
畸变 [?]
0.1 %
渐晕 [?]
-0.4 EV
色差 [?]
6 微米