[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 +>*! 3x+sE  
aFf(m-  
基本條件是 1Ht&;V  
u,&[I^WK`C  
主鏡必須是拋物面 E#A%aLp0E  
cy{ ado2  
副鏡必須是球面 +>Xe_  
tsf)+`vt  
系統包含一組校正鏡 tH^]`6"QUa  
15dbM/Gj  
口徑200mm以上 k[<Uxh%  
-Ed<Kl  
焦比不限制 2
T&n6t$p  
]mZN18#  
視角0.5度以上 G W@g  
4Uzx2   
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. &cuDGo.  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic ve&"x Nz<  
OBJ STANDARD       Infinity       Infinity                                  0              0 )0UXTyw^  
   1 STANDARD       Infinity            480                                220              0 *i,@d&J y]  
STO STANDARD          -1500           -450               MIRROR           204             -1 [#mRlL0yk  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 'fS&WVR?  
   4 STANDARD       167.5149              6                N-BK7            56              0 +rN&@}Jt.  
   5 STANDARD       123.4956       4.762038                                 56              0 8lZB3p]X  
   6 STANDARD      -262.7873              4                N-BK7            56              0 -)E nr6  
   7 STANDARD      -173.5643       263.0681                                 56              0 }P*x/z~  
   8 STANDARD       Infinity              0                           24.26983              0 \\iX9-aI<  
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. #3}!Q0   
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XM~eocn  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic ge|Cvv  
 OBJ STANDARD       Infinity       Infinity                                  0              0 CF]#0*MI  
   1 STANDARD       Infinity            600                                170              0 vl>_;}W7  
   2 STANDARD          -2000           -580               MIRROR           420             -1 Fd/Ra]@\Y  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 lS |:4U.  
   4 STANDARD       559.8055              4                N-BK7           100              0 iD)P6"  
   5 STANDARD       237.0107       6.225114                                100              0 S.|%dz  
   6 STANDARD      -1486.626              6                N-BK7           100              0 TXbnK"XQ  
   7 STANDARD      -319.3041       350.9258                                100              0 2[I[I*"_d  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 aC#{@t  
 IMA STANDARD       Infinity                                          44.12228              0 6yK"g7