PW計算出初始結(jié)構(gòu)，放到ZEMAX不能追跡光線，這是為什么呢？ P RWb6  
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you might need to tweak the surface semi-diameter/radius a bit to make rays traceable towards the image plane. your calculation based on PW method is an approximation I would assume, so make a little change to start with for few cycles of optimization then you should be able to get around the problem.  

hopebox:you might need to tweak the surface semi-diameter/radius a bit to make rays traceable towards the image plane. your calculation based on PW method is an approximation I would assume, so make a little change to start with for few cycles of optimization then you .. (2014-10-28 19:56)  566!T_  

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Thanks for your anwser! But new problem come up.I have choosen "Afocal image space",但出射光并不平行，反而匯聚到一點，這是為什么呢？ "m