[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 (<= &#e?  
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基本條件是 b(hnouS  
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主鏡必須是拋物面 @Axwj
  
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副鏡必須是球面 *,/ADtL  
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系統包含一組校正鏡
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口徑200mm以上 tBtG- X2  
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焦比不限制 ~Rs_ep'+Q2  
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視角0.5度以上 ;TaR1e0  
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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. y^7ol;t  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic P'.M.I@  
OBJ STANDARD       Infinity       Infinity                                  0              0 n:hHm,  
   1 STANDARD       Infinity            480                                220              0 !"*!du28jo  
STO STANDARD          -1500           -450               MIRROR           204             -1 K~j&Q{yws@  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 '=|2, H]  
   4 STANDARD       167.5149              6                N-BK7            56              0  E*[dc  
   5 STANDARD       123.4956       4.762038                                 56              0 o80"ZU|=
 
   6 STANDARD      -262.7873              4                N-BK7            56              0 +*dG'U6  
   7 STANDARD      -173.5643       263.0681                                 56              0 RUJkfi=$  
   8 STANDARD       Infinity              0                           24.26983              0 vqq7IV)|  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. RCXm</  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic C$"N)6%q  
 OBJ STANDARD       Infinity       Infinity                                  0              0 4*k>M+o/C4  
   1 STANDARD       Infinity            600                                170              0 RMinZ}/  
   2 STANDARD          -2000           -580               MIRROR           420             -1 |u r/6{Oj1  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 )7$1Da|.  
   4 STANDARD       559.8055              4                N-BK7           100              0 pbfIO47ZC  
   5 STANDARD       237.0107       6.225114                                100              0 [}xVz"8V  
   6 STANDARD      -1486.626              6                N-BK7           100              0 4?+K:e #F  
   7 STANDARD      -319.3041       350.9258                                100              0 12 8aJ  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 cB$OkaG#  
 IMA STANDARD       Infinity                                          44.12228              0 ]!7%)  

波像差真小啊！