Excellent information!

来源: 于 2009-08-16 18:57:42 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

The new Sigma 24-70mm f/2.8's image quality is really impressive. Great savings for Canon users, and even greater savings for Nikon users, without sacrificing image quality.

The only other question is focusing speed.