Surface quality: 60-40
zsLMRO o3 gN2oUbf8 The surface marked R1 is conic surface (aspheric surface) with folowing equation:
b BiTAP Y^2=2 R1_0 X - (1- e^2) X^2 where R1_0 = -10.700B0.010 & e^2 = 0.060B0.003
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# The surface marked R2 is conic surface (aspheric surface) with folowing equation:
^`[<%. Y^2=2 R2_0 X - (1- e^2) X^2 where R2_0 = 13.698B0.013 & e^2 = 0.106B0.003
N^M6*,F,J ucJ}KMz 还有下面这个图
w~ q ]& >,Q CK ZH 
ULhXyItL sYfm]Faz 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？
+w7U7"
xQ ,c-*/{3 下面的小格子里都是什么意思啊
A0Q`Aqs fk9q 3 谢谢
