手册里有详细的说明,使用 optical 3daC;;XO
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Syntax .`+yo0O:
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OPTICAL X x r [ c d e f g h i j k l ] [EXPAND] [aperture ... ] O"iak
Y y -K^41W71
Z z "koo` J
[ t r [ c d e f g h i j k l ] [EXPAND]] a
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Option Description hkF^?AJ
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X, Y or Z Axis of symmetry U=DEV7 E
x, y or z Location along coordinate axis I)lC{v
r Vertex radius of curvature Y;eoTJ
c Conic constant `2e_ L
yquAr$L!
d, e, ..., l 4th, 6th, ..., 20th-order aspheric deformation coefficients {=iyK/Uf
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EXPAND Flag to expand conic into aspheric terms #j.FJFGX
aperture ELLIPSE, RECTANGLE, or HEXAGONAL ayeCi8
t Relative distance of second optical surface ?;RD u[eD