Surface quality: 60-40
rZ|p{ym jXLd#6 The surface marked R1 is conic surface (aspheric surface) with folowing equation:
' )0@J` Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
tH4 q*\U w^Yo)"6 The surface marked R2 is conic surface (aspheric surface) with folowing equation:
1ANF hl(l Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
wN58uV ' _cE_\A y 还有下面这个图
(' 7$K yQMwt|C4 
`g3AM %3 tcT =a@ 里面的半径
公差给了，但是咱们国家
标准一般使用
光圈来表示，如何换算呢？
Z|Oq7wzEH R~T} 下面的小格子里都是什么意思啊
8["%e#%`$ 3>^]r jFw 谢谢
