Surface quality: 60-40
@)z?i
3L4v@ The surface marked R1 is conic surface (aspheric surface) with folowing equation:
g( S4i%\ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
'g} Q@@b k>E/)9%ep2 The surface marked R2 is conic surface (aspheric surface) with folowing equation:
r-[YJzf@P Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
o_ixdnc &s\/Uq 还有下面这个图
YPw =iF] z}* L*Sk 
y>r^ MQ k4^!"~<+0 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？
Gq?>Bi;` w'mn O'% 下面的小格子里都是什么意思啊
[L bCG wc}4:~ 谢谢
