非常不理解36M是出于什么考虑,

来源: 于 2012-02-08 08:18:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

由于衍射的存在, 像素数目有个"优化"值.

To quote:

"Consider a 35mm system with a lens at f/11. At best, the maximum resolution you will get is equivalent to 16 MP, even if your camera has 22 or 25 MP"

详细的计算与论述在这里:

http://luminous-landscape.com/tutorials/resolution.shtml