Surface quality: 60-40
@C('kUX~! 9Ns%<FRO@ The surface marked R1 is conic surface (aspheric surface) with folowing equation:
zT!.5qd Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
4Pf"R ~&[
31]Vo;D The surface marked R2 is conic surface (aspheric surface) with folowing equation:
P= E10 Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
5YUe>P D xvWP^Qkb 还有下面这个图
.G<Or`K^i {)kL7>u]^V 
u2':~h?l Xp6Z<Z&N 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？
Un+- T PKGqu,J, 下面的小格子里都是什么意思啊
Xz/aytp~A W3X;c*j 谢谢
