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rcasiodu:yu-xuegang版主的博客中指出光學(xué)系統(tǒng)焦深為:4λ(F/#)²,http://blog.sina.com.cn/s/blog_4f4cc4800100vuyr.html -~=?g9fGm6 根據(jù)工程光學(xué)書(shū)中的公式,如果彌散斑直徑取為艾里斑直徑的話,焦深應(yīng)該為2*(2.44λ*F/#)*(F/#)=4.88λ(F/#)²,這是為什么。 (2012-04-10 18:52) KMll8X