[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 EzG7RjW  
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基本條件是 TSuHY0.cp  
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主鏡必須是拋物面 Sm,%>  
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副鏡必須是球面 *y N,e.t  
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系統包含一組校正鏡 )cOm\^,  
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口徑200mm以上 Bxm^Arc>  
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焦比不限制 LClPAbr  
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視角0.5度以上 ?,s{M^sj^  
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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. k87B+0QEL  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic -JUv'fk  
OBJ STANDARD       Infinity       Infinity                                  0              0 Lb/a_8<E?  
   1 STANDARD       Infinity            480                                220              0 5IMh$!/uc  
STO STANDARD          -1500           -450               MIRROR           204             -1 ^M?uv
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   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 GbNVcP.ocP  
   4 STANDARD       167.5149              6                N-BK7            56              0 <y`yKXzBUV  
   5 STANDARD       123.4956       4.762038                                 56              0 R8HA X  
   6 STANDARD      -262.7873              4                N-BK7            56              0 44_n5vp,T  
   7 STANDARD      -173.5643       263.0681                                 56              0 -{P)\5.L  
   8 STANDARD       Infinity              0                           24.26983              0 qe\j$Cjy  
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. ukhI'alS,  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic ~sk 4v:-  
 OBJ STANDARD       Infinity       Infinity                                  0              0 oBIKtS*L  
   1 STANDARD       Infinity            600                                170              0 79S=n,O  
   2 STANDARD          -2000           -580               MIRROR           420             -1 w'U;b  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 ="Dmfy7  
   4 STANDARD       559.8055              4                N-BK7           100              0 zJtYy4jI)  
   5 STANDARD       237.0107       6.225114                                100              0 9I.="b=J)  
   6 STANDARD      -1486.626              6                N-BK7           100              0  E#ti  
   7 STANDARD      -319.3041       350.9258                                100              0 Y$%Ze]~  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 , gz:2UY#  
 IMA STANDARD       Infinity                                          44.12228              0 Soq 'B?>