Surface quality: 60-40
z;2& d<h W94 u7a The surface marked R1 is conic surface (aspheric surface) with folowing equation:
tjB)-=j[ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
S{8-XiL, fp\mBei The surface marked R2 is conic surface (aspheric surface) with folowing equation:
DO-M0L Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
NIQ}+xpC =_iYT044p 还有下面这个图
jPZ+~:m+ 2)\MxvfOh 
,N hv#U<$
%saP>]o 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？
1y6<gptx | Z2_W/ 下面的小格子里都是什么意思啊
z;e@m2.IM 2Q ]W 谢谢
