[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 hdr}!wV  
h>Uid &:?  
基本條件是 =6Sj}/  
SU%rWH  
主鏡必須是拋物面 ,)rZAI  
?(/j<,m^  
副鏡必須是球面 yOUX E>-  
iQ|,&K0d]  
系統包含一組校正鏡 Ly)(_Tp@+  
k'ZUBTRq!  
口徑200mm以上 '`]n_$f'  
grCO-S|j^  
焦比不限制 1KYbL8c  
-<51CDw,  
視角0.5度以上 S}w.#tyEn  
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以下是我的結果,目前覺得副鏡的口徑太大,不知道有無改進的可能. ? %+VG  
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/}nrF4S  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic 9jMC|oE  
OBJ STANDARD       Infinity       Infinity                                  0              0 ?H[5O+P[  
   1 STANDARD       Infinity            480                                220              0 xv$)u<Ve  
STO STANDARD          -1500           -450               MIRROR           204             -1 Z[k#AgC)  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 lbB.*oQ  
   4 STANDARD       167.5149              6                N-BK7            56              0 (lN;xT`=  
   5 STANDARD       123.4956       4.762038                                 56              0 L`jB)wF/J  
   6 STANDARD      -262.7873              4                N-BK7            56              0 UEEBWzH  
   7 STANDARD      -173.5643       263.0681                                 56              0 xi?P(sA  
   8 STANDARD       Infinity              0                           24.26983              0 lHcZi  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. w$gSj/  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic 7{n\yl?  
 OBJ STANDARD       Infinity       Infinity                                  0              0
7dSh3f!  
   1 STANDARD       Infinity            600                                170              0 !xkj30O(G  
   2 STANDARD          -2000           -580               MIRROR           420             -1 6#<Ir @z  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 qE>i,|rP`  
   4 STANDARD       559.8055              4                N-BK7           100              0 I+0c8T(:  
   5 STANDARD       237.0107       6.225114                                100              0 H}vn$$ O  
   6 STANDARD      -1486.626              6                N-BK7           100              0 fC_zX}3
 
   7 STANDARD      -319.3041       350.9258                                100              0 +x(YG(5\w  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 u\`/Nhn  
 IMA STANDARD       Infinity                                          44.12228              0 cX2$kIs;  

波像差真小啊！