Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon on Canon EOS 50D vs Canon EF-S 17-55mm f/2.8 IS USM on Canon EOS 50D

选择对比（最多3项）
Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon
Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] Canon

DxOMark 分数
最佳表现于 f=24mm & f/3.5 [?]
12

镜头分数

清晰度 [?]
6 感知Mpix
透光量 [?]
3.5 TStop
畸变 [?]
0.4 %
渐晕 [?]
-0.7 EV
色差 [?]
4 微米
Canon EF-S 17-55mm f/2.8 IS USM
Canon EF-S 17-55mm f/2.8 IS USM

DxOMark 分数
最佳表现于 f=35mm & f/2.8 [?]
13

镜头分数

清晰度 [?]
7 感知Mpix
透光量 [?]
3.5 TStop
畸变 [?]
0.4 %
渐晕 [?]
-1.1 EV
色差 [?]
6 微米