这是一种Pan 的技术 3 X4 ^, Q& ?' H5 o! H- r E) T1 }2 U8 g- z' i& L: w% I$ G
The basic idea behind panning as a technique is that you pan your camera along in time with the moving subject and end up getting a relatively sharp subject but a blurred background./ r! d% k/ |) `( V/ K
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Information coming from : http://digital-photography-schoo ... aph-moving-subjects; m0 ~& y- _- G& n0 h) ^( z
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还有,我也是正在学习的啊% L! C8 k2 a' J! g: P) p
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