Surface quality: 60-40
x zu) ``? _Q,`Qn@|BD The surface marked R1 is conic surface (aspheric surface) with folowing equation:
)WavG1 Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
p'fq&a+ `"zXf -qeE The surface marked R2 is conic surface (aspheric surface) with folowing equation:
=mxG[zDtQ Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
u8L%R[#o T Z{';o U 还有下面这个图
@ofivCc<% OAO|HH 
HpY-7QTPJ~ @S\!wjl]C 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？
Bee`Pp2 Lg Xc}3 下面的小格子里都是什么意思啊
$(B|$e^:( =V~p QbZ 谢谢
