Surface quality: 60-40
_ rV 5E )15Z#` x The surface marked R1 is conic surface (aspheric surface) with folowing equation:
v5;I]?72l~ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
6) oLus x:vu'A The surface marked R2 is conic surface (aspheric surface) with folowing equation:
E3@QI?n^^ Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
O%1v) AT&\ RsU3Gi_Zdz 还有下面这个图
L- pVltX 4!a sT;`' 
B QcE9~H ZT02"3F 里面的半径
公差给了，但是咱们国家
标准一般使用
光圈来表示，如何换算呢？
Am8x74? Eh-n 下面的小格子里都是什么意思啊
c`lJu_ =ji1S}e~p 谢谢
