给你２个ｌｉｎｋ吧

来源: 云漫 于 2012-01-31 10:58:48 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (122 bytes)

http://www.dofmaster.com/hyperfocal.html

http://www.cambridgeincolour.com/tutorials/hyperfocal-distance.htm

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