[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 0FTRm2(  
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基本條件是 Pf{`/UlD  
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主鏡必須是拋物面 QTeFR&q8  
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副鏡必須是球面 %8a=mQl1^  
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系統包含一組校正鏡 db<q-u  
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口徑200mm以上 #jhQBb4?,  
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焦比不限制 Lr wINVa  
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視角0.5度以上 ~Vwk:
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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. m**0rpA  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic ^@M[t<  
OBJ STANDARD       Infinity       Infinity                                  0              0 `}[VwQ  
   1 STANDARD       Infinity            480                                220              0 p}96uaC1  
STO STANDARD          -1500           -450               MIRROR           204             -1 tF<^9stM  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 %A8Pkr<&E  
   4 STANDARD       167.5149              6                N-BK7            56              0 *Ao2j;  
   5 STANDARD       123.4956       4.762038                                 56              0 )\0Ug7]?  
   6 STANDARD      -262.7873              4                N-BK7            56              0 T!Xm")d  
   7 STANDARD      -173.5643       263.0681                                 56              0 .V8/ELr]  
   8 STANDARD       Infinity              0                           24.26983              0 p(~Y" H  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. "}S9`-Wd|  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic P3+)pOE-SI  
 OBJ STANDARD       Infinity       Infinity                                  0              0 c+@d'yR  
   1 STANDARD       Infinity            600                                170              0 %MfGVx}nG  
   2 STANDARD          -2000           -580               MIRROR           420             -1 Aivu%}_|  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 9X 5*{f Y  
   4 STANDARD       559.8055              4                N-BK7           100              0 *Te4U5F  
   5 STANDARD       237.0107       6.225114                                100              0 y3&Tv  
   6 STANDARD      -1486.626              6                N-BK7           100              0 a"`g"ZRx  
   7 STANDARD      -319.3041       350.9258                                100              0 =giM@MV  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 aDm-X r  
 IMA STANDARD       Infinity                                          44.12228              0 (Wm/$P;  

波像差真小啊！