佳能 way to explore 2012-06-16T13:20:38Z Copyright © 2010-2018, V2EX 对焦和变焦的原理区别在哪里? tag:www.v2ex.com,2011-12-19:/t/23877 2011-12-19T17:45:44Z 2012-06-16T13:20:38Z fim8 member/fim8 1:镜面与cmos感光元件之间距离移动的差距。如对焦移动小,变焦大;
2:对焦是改变镜面的厚度(或是几组镜片之间距离的搭配),变焦是改变与cmos的距离。

对焦和变焦这二者一定是有区别的。
只是感觉他们改变的好像都是条件,
希望有懂行的指点一二。 ]]>
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