[讨论]一個雙反系統的改進 [复制链接]

這是我最近在想的一個設計 )IUeWR  
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基本條件是 rP
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主鏡必須是拋物面 \uxDMKy  
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副鏡必須是球面 DY2r6bcn`  
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系統包含一組校正鏡
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口徑200mm以上 wX(h]X"q  
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焦比不限制 yZ7aH|Q81B  
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視角0.5度以上 OsS5WY0H  
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以下是我的結果,目前覺得副鏡的口徑太大,不知道有無改進的可能.  P%#WeQ+  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic .&Uu w  
OBJ STANDARD       Infinity       Infinity                                  0              0 4 ZD~i e  
   1 STANDARD       Infinity            480                                220              0 l| 1O9I0Gd  
STO STANDARD          -1500           -450               MIRROR           204             -1 *#ccz  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 i3C5"\y  
   4 STANDARD       167.5149              6                N-BK7            56              0 34Q;& z\e  
   5 STANDARD       123.4956       4.762038                                 56              0 =4RXNWkud  
   6 STANDARD      -262.7873              4                N-BK7            56              0 Rw4"co6  
   7 STANDARD      -173.5643       263.0681                                 56              0 Y\e,#y  
   8 STANDARD       Infinity              0                           24.26983              0 4-P'e%S  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. #KA,=J  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic
?C#=Q6  
 OBJ STANDARD       Infinity       Infinity                                  0              0 "b&[W$e  
   1 STANDARD       Infinity            600                                170              0 Y.M^tH:  
   2 STANDARD          -2000           -580               MIRROR           420             -1 ;>?
NH6B,  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 lp`raNNo  
   4 STANDARD       559.8055              4                N-BK7           100              0 V+7x_>!&)  
   5 STANDARD       237.0107       6.225114                                100              0 N}0-L$@SL  
   6 STANDARD      -1486.626              6                N-BK7           100              0 _8$arjx=  
   7 STANDARD      -319.3041       350.9258                                100              0 CB(Qy9C%h[  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 Gv,_;?7lD  
 IMA STANDARD       Infinity                                          44.12228              0 C[h"w'A2  

波像差真小啊！