dear..... NCFV
&R*5;/
!
did you try "Aspheric Surface 2", this surface allows you to control the aperture size in both X and Y direction...... *v ^"4
d %W}w.
Sorry, I guess my Chinese is poor so mistaking your 高度 as the x and y position so I guess when you said "矢高,即它的縱向長度" is one of the X or Y dimension .... (I hope)