Surface quality: 60-40
:0@R(ct;> Sggha~E2s The surface marked R1 is conic surface (aspheric surface) with folowing equation:
t|-TG\Q X Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
j3>0oe! .TZ 0F xW The surface marked R2 is conic surface (aspheric surface) with folowing equation:
&O8vI ,M Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
z ntvKOIh cHo@F!{o= 还有下面这个图
:{sy2g/+ i!0w? /g9 
mV!Ia -k F{*{f =E!B 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？
QA|87alh ]JDKoA{S0 下面的小格子里都是什么意思啊
stGk*\>U' t&|M@Ouet 谢谢
