Surface quality: 60-40
g}og@UY7# uB&I56 The surface marked R1 is conic surface (aspheric surface) with folowing equation:
kE(-vE9 Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
rpP+20 v 1X_!%Z The surface marked R2 is conic surface (aspheric surface) with folowing equation:
U!UX"r Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
{aa,#B] i #Uk6Fmu ] 还有下面这个图
-bb 7Y S$_Ts1Ge6 
1B]wSv P@ ]( 6vG $\ 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？
`YU:kj<6 ]` Gz_e 下面的小格子里都是什么意思啊
?j$8Uy$$ UU~;B 谢谢
