/ Y0 @' _8 E4 N0 x, n. YF4 IS Vs. F2.8 non IS, 贴过来大家都评论评论。 ' E1 x! p* o. a- B5 a 3 U' f$ h: @: l/ ?# s# C1 b********************************** 1 g8 m) b0 B c7 s: }Anyhow, you pose a good question - f/4 IS or f/2.8 non IS. Here are the ... ; S9 X; m( Y$ h4 v A! G6 @lipi 发表于 2010-10-5 21:41