各位对副厂镜头怎么看得啊

[史丹利]

比原配的确便宜不少

 

[sean]

有钱不要考虑副厂的东西。

 

[杨戬]

可以考虑sigma的50－500配你的20D

 

[Xterra]

forward compatible is not guaranteed. other than that, some lenses are decent.