Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Nikon on Nikon D90 vs Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon on Nikon D90

选择对比（最多3项）
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Nikon
Tamron SP 17-50mm F/2.8 Di II XR VC LD Aspherical IF Nikon

DxOMark 分数
最佳表现于 f=17mm & f/2.8 [?]
14

镜头分数

清晰度 [?]
7 感知Mpix
透光量 [?]
3.1 TStop
畸变 [?]
0.3 %
渐晕 [?]
-1.1 EV
色差 [?]
5 微米
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon
Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Nikon

DxOMark 分数
最佳表现于 f=24mm & f/3.2 [?]
14

镜头分数

清晰度 [?]
7 感知Mpix
透光量 [?]
3.9 TStop
畸变 [?]
0.4 %
渐晕 [?]
-1 EV
色差 [?]
9 微米