什么叫圆锥系数啊？？

jin117657262

什么叫圆锥系数啊？？

jww4891

在ZEMAX中是-e2，e：离心率

ivanlj

球面、椭圆面、双曲面、抛物面都可以用一个数学表达式来表示，这里面就用到了圆锥系数！建议楼主看一下数学书——圆锥曲线方面的！

greentown

conic constant for the lens surface：
Elliptical Conic > 0 or -1 < Conic < 0
Spherical Conic = 0
Parabolic Conic = -1
Hyperbolic Conic < -1

greentown

conic constant for the lens surface：
Elliptical Conic > 0 or -1 < Conic < 0
Spherical Conic = 0
Parabolic Conic = -1
Hyperbolic Conic < -1