[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 <lwuTow  
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基本條件是 r#876.JK  
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主鏡必須是拋物面 ;2`sN   
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副鏡必須是球面 Mhpdaos  
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系統包含一組校正鏡 A*]$
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口徑200mm以上 C".1+Um  
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焦比不限制 }p3b#fAr  
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視角0.5度以上 xF8S*,#,*  
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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. lu\o`m5wF  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic VV3}]GjC  
OBJ STANDARD       Infinity       Infinity                                  0              0 '5.\#=S1  
   1 STANDARD       Infinity            480                                220              0 E,"&-`/2v  
STO STANDARD          -1500           -450               MIRROR           204             -1 D_D,t8_Y  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 b)}+>Wx  
   4 STANDARD       167.5149              6                N-BK7            56              0 Lk,+Tfk"  
   5 STANDARD       123.4956       4.762038                                 56              0 GrI&?=S^  
   6 STANDARD      -262.7873              4                N-BK7            56              0 @'jfKW  
   7 STANDARD      -173.5643       263.0681                                 56              0 CY"i-e"q<Q  
   8 STANDARD       Infinity              0                           24.26983              0 5~VosUpe7  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. uWc:jP  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic H@W0gK(cS;  
 OBJ STANDARD       Infinity       Infinity                                  0              0 ^KH%mSX>  
   1 STANDARD       Infinity            600                                170              0 'lQ
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   2 STANDARD          -2000           -580               MIRROR           420             -1 LknVqZ|k  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 #v/ry)2Y=  
   4 STANDARD       559.8055              4                N-BK7           100              0 Oxa5Kfpa  
   5 STANDARD       237.0107       6.225114                                100              0 h$&rE@N|  
   6 STANDARD      -1486.626              6                N-BK7           100              0 l2/@<0P  
   7 STANDARD      -319.3041       350.9258                                100              0 *8-p7,D  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 qS]G&l6QF  
 IMA STANDARD       Infinity                                          44.12228              0 chLeq  

波像差真小啊！