[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 B(Y.`L? %E  
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基本條件是 }} #be  
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主鏡必須是拋物面 {Y"8~  
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副鏡必須是球面 oT!/J  
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系統包含一組校正鏡 _/Tlqzp  
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口徑200mm以上 tx)OJ

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焦比不限制 OaNc9c"  
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視角0.5度以上 t.L4%1OF  
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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. ;x16shH   
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic <B=[hk!  
OBJ STANDARD       Infinity       Infinity                                  0              0 g@}6N.]#  
   1 STANDARD       Infinity            480                                220              0 +#9xA6,AE  
STO STANDARD          -1500           -450               MIRROR           204             -1 i<bxc  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 MN\i
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   4 STANDARD       167.5149              6                N-BK7            56              0 5'62ulwMP=  
   5 STANDARD       123.4956       4.762038                                 56              0 +*: }p  
   6 STANDARD      -262.7873              4                N-BK7            56              0 cNx \&vpd  
   7 STANDARD      -173.5643       263.0681                                 56              0 !2#\| NJk  
   8 STANDARD       Infinity              0                           24.26983              0 f>O54T .L.  
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. 5$$#d_Gj  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic w+r).PS}C  
 OBJ STANDARD       Infinity       Infinity                                  0              0 r\cY R}v  
   1 STANDARD       Infinity            600                                170              0 {\vVzy,t7  
   2 STANDARD          -2000           -580               MIRROR           420             -1 x4/{XRQ  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 E%(s=YhW  
   4 STANDARD       559.8055              4                N-BK7           100              0 3yw$<lm  
   5 STANDARD       237.0107       6.225114                                100              0 QT5pn5+ z  
   6 STANDARD      -1486.626              6                N-BK7           100              0 UCXRF  
   7 STANDARD      -319.3041       350.9258                                100              0 ;l1.jQh  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 WNZYs  
 IMA STANDARD       Infinity                                          44.12228              0 N:CQ$7T{ j