Surface quality: 60-40
+j S|2d q U%/W|LY The surface marked R1 is conic surface (aspheric surface) with folowing equation:
piPR=B+ Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
B8f8w )m Qw-~>d The surface marked R2 is conic surface (aspheric surface) with folowing equation:
`o=q%$f#k~ Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
B*
?]H*K ar__ Pf6r 还有下面这个图
>, F bX8Zz z\K"Rg~J 
N5Q[ n d ^hc!F D 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？
)bS yB29S {:6r ;TB 下面的小格子里都是什么意思啊
* @ 3Ag( KN<S}3MN 谢谢
