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发表于 2010-10-5 20:41
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正好刚看到一个类似的问题在别的英文论坛:, ]7 \7 b( K' n8 d% b9 Q' A2 g& c
* v ^8 w: W% U7 H3 gF4 IS Vs. F2.8 non IS, 贴过来大家都评论评论。
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" Y% L }) ]4 `" M( UAnyhow, you pose a good question - f/4 IS or f/2.8 non IS. Here are the main points:. r7 I4 U# l; ]; }1 h9 v: z0 z
/ s5 U6 w( |2 O" I- ~1) The f/2.8 gives you one extra stop of hand-holding possibility, but at the cost of depth of field, whereas the 4.0 gives you 3 stops of hand-holding possibility at any aperture. Winner: f/4.
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1 s E% }1 F9 }2) The f/2.8 gives you one extra stop of light in darkened conditions when photographing moving subjects. The f/4 doesn't. Winner: f/2.8." z' \% A7 c( G. Z2 m. P
, M: A6 Q9 O j3) The f/4 is lighter and smaller. Winner f/4.
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4) The wider aperture of the f/2.8 can offer more creative possibilities, especially when taking portraits. Winner: f/2.8.
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7 v2 ?8 f: Y+ m/ k5) The f/2.8 has better bokeh (creaminess of the blurred areas). Winner: f/2.8. |
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