[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 yc]ni.Hz  
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基本條件是 YhLtf(r  
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主鏡必須是拋物面 f`A  
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副鏡必須是球面 -#gb {vj  
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系統包含一組校正鏡 o,\%c"mC  
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口徑200mm以上 P603P  
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焦比不限制 a' #-%!]  
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視角0.5度以上 mZ/B:)_  
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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. D4'XBXmb  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic i $I|JJJ  
OBJ STANDARD       Infinity       Infinity                                  0              0 JEHV\=  
   1 STANDARD       Infinity            480                                220              0 o4~ft!>  
STO STANDARD          -1500           -450               MIRROR           204             -1 k
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   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 $d8A_CUU  
   4 STANDARD       167.5149              6                N-BK7            56              0 Jh466; E  
   5 STANDARD       123.4956       4.762038                                 56              0 !+hX$_RT  
   6 STANDARD      -262.7873              4                N-BK7            56              0 _a<PUdP  
   7 STANDARD      -173.5643       263.0681                                 56              0 r]HLO'<]  
   8 STANDARD       Infinity              0                           24.26983              0 ]LSa(7>EU  
IMA STANDARD       Infinity                                          24.26983              0

波像差真小啊！

經過不斷的努力,做了一些改進. Yi&-m}  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic wY3|#P CDV  
 OBJ STANDARD       Infinity       Infinity                                  0              0 p2x1xv  
   1 STANDARD       Infinity            600                                170              0 & &" 'dL  
   2 STANDARD          -2000           -580               MIRROR           420             -1 z^rhgs?4  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 Q^lQi\[  
   4 STANDARD       559.8055              4                N-BK7           100              0 B)rr7B  
   5 STANDARD       237.0107       6.225114                                100              0 h41$|lonU%  
   6 STANDARD      -1486.626              6                N-BK7           100              0 s~LZOPN  
   7 STANDARD      -319.3041       350.9258                                100              0 cophAP  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 J3~hzgY  
 IMA STANDARD       Infinity                                          44.12228              0 '<%Nw-