[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 Zf*r2t1&P  
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基本條件是 @]CF&: P A  
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主鏡必須是拋物面 M@UVpQwgv  
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副鏡必須是球面 -C7FuD[Xw  
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系統包含一組校正鏡 OJ>.-"  
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口徑200mm以上 !|wzf+V  
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焦比不限制 F
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視角0.5度以上 wNCCH55Pt  
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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. i^Ut015q%  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic B~WtZ-%%E  
OBJ STANDARD       Infinity       Infinity                                  0              0 ]L_w$ev'  
   1 STANDARD       Infinity            480                                220              0 0`#(Toe{B  
STO STANDARD          -1500           -450               MIRROR           204             -1 %"3 )TN4  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 eBW=^B"y+  
   4 STANDARD       167.5149              6                N-BK7            56              0 Q%=YM4;  
   5 STANDARD       123.4956       4.762038                                 56              0 KpZ:Nh$  
   6 STANDARD      -262.7873              4                N-BK7            56              0 B;zt#H4  
   7 STANDARD      -173.5643       263.0681                                 56              0 Z)< wv&K  
   8 STANDARD       Infinity              0                           24.26983              0 %FkLQ+v/<  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. 1=GI&f2I  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic &w\I<J`T  
 OBJ STANDARD       Infinity       Infinity                                  0              0 Zr/r2  
   1 STANDARD       Infinity            600                                170              0 C8b''9t.  
   2 STANDARD          -2000           -580               MIRROR           420             -1 H#(<-)j0_  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 n~r 9!m$<  
   4 STANDARD       559.8055              4                N-BK7           100              0 QApyP CH  
   5 STANDARD       237.0107       6.225114                                100              0 |ng%PQq)  
   6 STANDARD      -1486.626              6                N-BK7           100              0 XAic9SNu;  
   7 STANDARD      -319.3041       350.9258                                100              0 Z5)eREi=  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 f6ZZ}lwaV  
 IMA STANDARD       Infinity                                          44.12228              0 l gq=GHW  

波像差真小啊！