设计要求： $B9?>a| {A 半视场角20° fhdqes]) 半孔径12.7mm KDf#e3 焦距90mm [# X} ( 元件长度约100mm ETX>wZ 后焦距50mm或更大
DSEARCH输入：
CORE 14
TIME
DSEARCH 1 QUIET
SYSTEM
ID DSEARCH SAMPLE
OBB 0 20 12.7 ！物距无穷远，半视场角20°，半孔径12.7mm
WAVL 0.6563 0.5876 0.4861 ！可见光波段
UNITS MM
END
GOALS
ELEMENTS 7
FNUM 3.54 ！F/# 3.54
BACK 0 0
TOTL 100 0.1 ！元件总长100mm
STOP MIDDLE
STOP FREE
RSTART 900
THSTART 12
ASTART 12
RT 0.75
FOV 0.0 0.75 1.0
FWT 5.0 3.0 3
NPASS 50 ！程序迭代次数
ANNEAL 200 20 Q
COLORS 3
SNAPSHOT 10
QUICK 50 50 ！启用快速模式。快速模式下迭代次数50次，真实模式下迭代次数50次
END
SPECIAL PANT
END
SPECIAL AANT
LLL 50 .1 1 A BACK ！后焦距最小50mm
END
GO
TIME
u46Z}~xf b lpB:lRM -=lL{oB1
