Surface quality: 60-40
\Hb"bv ~/C9VR& The surface marked R1 is conic surface (aspheric surface) with folowing equation:
X/ Sp!W-H Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
Mj!\ EUn #w]UP#^io The surface marked R2 is conic surface (aspheric surface) with folowing equation:
GW{e"b/x Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
9 696EQ,I 8=TM _ 还有下面这个图
9 4.|l q8 &\;GK| 
o{]2W `0r ( sDZ&R 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？
7up~8e$ _ )>"|<h.2] 下面的小格子里都是什么意思啊
G'# Uzwo = q \TW z 谢谢
