看看这个. 我觉得物有所值

http://www.bhphotovideo.com/c/product/183198-GREY/Canon_2578A002_70_200mm_f_4_0L_USM_Autofocus.html http://www.bhphotovideo.com/c/product/91680-USA/Canon_2569A004_70_200mm_f_2_8L_USM_Autofocus.html -wind_dancer(风舞者) 2007-5-7