正好刚看到一个类似的问题在别的英文论坛: 6 }, m2 f* O7 s! @4 q/ m1 j! ^% y# c& O% Z6 S8 F
F4 IS Vs. F2.8 non IS, 贴过来大家都评论评论。 3 Q+ [' b* s4 K% E ) c! m I/ h5 X+ m/ f0 l**********************************5 L+ i- |! M2 L B
Anyhow, you pose a good question - f/4 IS or f/2.8 non IS. Here are the ... ' p4 w$ a4 ~( s+ |lipi 发表于 2010-10-5 21:41