Surface quality: 60-40
me f<=5t Ss~;m']68 The surface marked R1 is conic surface (aspheric surface) with folowing equation:
G;v8$) Zj Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
%+8F'&X WM| dKF
The surface marked R2 is conic surface (aspheric surface) with folowing equation:
tk!t
Y8j Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
xC*6vH]? w[9|cg CY 还有下面这个图
As 3.Q(#Z mQCeo}7N5 
0y
7"SiFY QW $ G 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？
zm]aU`j a:"Uh** 下面的小格子里都是什么意思啊
b7 NM#Hb :"=ez<t 谢谢
