给你２个ｌｉｎｋ吧

来源: 于 2012-01-31 10:58:48 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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

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