[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 \FF|b"E_=  
]:m4~0^#-(  
基本條件是 1bHQB$%z  
l<'}`  
主鏡必須是拋物面
FC
  
L0w2qF  
副鏡必須是球面 w2jB6NQX  
.-[]po  
系統包含一組校正鏡 kWs:7jiiu  
t~.^92]s|  
口徑200mm以上 6/vMK<Fz9  
2sVDv@2  
焦比不限制 (cI@#x  
;Wsl 'e/  
視角0.5度以上 ]mjKF\  
;yCtk ~T%  
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. 9*Fc+/  
5HTY ~&C  
B B^81{A  
1v<uA9A%[  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic V8b^{}nxt  
OBJ STANDARD       Infinity       Infinity                                  0              0 NxB/U_j  
   1 STANDARD       Infinity            480                                220              0 |uX&T`7?-  
STO STANDARD          -1500           -450               MIRROR           204             -1 '*t<g@2$  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 5bsv05=e  
   4 STANDARD       167.5149              6                N-BK7            56              0 y5Fgf3P@ju  
   5 STANDARD       123.4956       4.762038                                 56              0 |HPb$#i  
   6 STANDARD      -262.7873              4                N-BK7            56              0 >feeVk  
   7 STANDARD      -173.5643       263.0681                                 56              0 #vViEBVeN  
   8 STANDARD       Infinity              0                           24.26983              0 ?}jjBJ&  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. \Pd>$Q  
_No<fz8  
*(nu0  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic Z'c9xvy5  
 OBJ STANDARD       Infinity       Infinity                                  0              0 gq+#=!(2  
   1 STANDARD       Infinity            600                                170              0 YKa9]Q  
   2 STANDARD          -2000           -580               MIRROR           420             -1 =%+xNOdN7?  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 qn
` \g  
   4 STANDARD       559.8055              4                N-BK7           100              0 qvRs1yr?q  
   5 STANDARD       237.0107       6.225114                                100              0 G\*`%B_ n  
   6 STANDARD      -1486.626              6                N-BK7           100              0 8b+%:eJ  
   7 STANDARD      -319.3041       350.9258                                100              0 'Y>@t6E4  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 >+*lG>!z  
 IMA STANDARD       Infinity                                          44.12228              0 zHvW@A'F  

波像差真小啊！