Tamron 17-50mm f/2.8 is sharper than the Canon 17-55mm f/2.8

来源: 于 2007-04-04 10:56:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Tamron 17-50mm f/2.8 is (slightly) sharper than the Canon 17-55mm f/2.8, which is a 牛头. So it should be comparable to the Nikon 17-55mm f/2.8.