2.Use the RSI ray for the upper marginal ray for field 2 to determine the obscurations p =(@3%k  
on surfaces 2 and 3 (Hint: look at the ray height on S5). These obscurations make a )w h%|  
hole in the corrector to prevent the light from passing through the corrector lens cc}Key@D  
twice. q5x[~]?  
7 <9yH:1  
3. Use a targeted ray for the negative full field to hit the edge of the obscuration on 0Yl4eB-  
surface 2 to determine the size of the obscuration on surface 1. This obscuration M;w?[yEZ  
prevents ghost images (prevents rays from going through the hole in the corrector HOoPrB m  
lens). ^/U27B  
Vw tZLP36  
請各位前輩指點(diǎn)一下 看不太懂它要表達(dá)的意思 此為code v使用手冊的一個(gè)範(fàn)例  謝謝

2. RSI 是real ray trace命令，你可以查找下手冊看看，在這里upper marginal ray是CodeV內(nèi)定的光線R2, F2就是你定義的視場中的第二個(gè)視場（如果你只定義了0視場和最大視場，那F2就是最大視場）。整句話的意思就是通過RSI R2 F2 命令來確定 S2&S3上的攔光孔。這些攔光孔在矯正器上形成了孔，防止光線兩次通過矯正器。 h `}}  
8:=n*