Surface quality: 60-40
VBc[(8o KrO oxrDcp The surface marked R1 is conic surface (aspheric surface) with folowing equation:
x._IP,vRx^ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
vZV+24YWb WrK!]17or The surface marked R2 is conic surface (aspheric surface) with folowing equation:
DxjD/? R8 Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
bqug o ]zp5 6U|xa 还有下面这个图
mk>L:+ 6o@}k9AN 
whb |N2 6OYXcPW' 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？
{FzL@!|| oI=7 X*B9 下面的小格子里都是什么意思啊
cBf9-k (Wkli:Lq 谢谢
