1.4 球面光学成像系统
3．整个共轴球面系统的放大率公式
???''''?dlkdlkdl1dl2??????????1??2????k?dl1dl1dl2dlk?''''?ukuku1u2?????????1??2????k?u1u1u2uk??ykyky1y2?????????1??2????ky1y1y2yk''''将单折射球面的放大率表示式代入上式，即可求得
nklkn1l1n2l2n1l1l2???lk??'?'???'?'?n1l1n2l2nklknkl1l2???lk''''''第1章几何光学基本定律与成像概念
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nklkn1l1n2l2n1l1l2???lk??'?'???'?'?n1l1n2l2nklknkl1l2???lk''''''1.4 球面光学成像系统
应用公式h = l u= l?u?, 有
yn1u1u2???ukn1u1???'?'''?u2????uky1nku1nkuk'knk2n12n22nk2nk222???1??2????k??1?2????k??n1n2nkn1n1'''''nk1n1n11n21n111??'?'???'?'?'n1?1n2?2nk?knk?1?2????knk?三个放大率之间，仍可得????由此可见，共轴球面系统的总放大率为各折射球面放大率的乘积，三种放大率之间的关系与单个折射球面的完全一样。
第1章几何光学基本定律与成像概念
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