[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 Ys)+9yPPn  
_>;&-e  
基本條件是 FBcm;cjH  
N:A3k
p  
主鏡必須是拋物面 7<fL[2-  
{$3j/b  
副鏡必須是球面 rXlx?
GV  
AmgWj/>  
系統包含一組校正鏡 ;Sy/N||  
6xyY+  
口徑200mm以上 }z8{B
3K  
`3]Rg0g&Xe  
焦比不限制 }FHw" {my  
_F3KFQ4,S-  
視角0.5度以上 /cM 5  
'n>EEQyp'  
以下是我的結果,目前覺得副鏡的口徑太大,不知道有無改進的可能. #"|"cYi,  
 7N!tp,?  
>7"$}5d  
4,gol
?a  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic #aj|vox}  
OBJ STANDARD       Infinity       Infinity                                  0              0 sbs[=LW4  
   1 STANDARD       Infinity            480                                220              0 #_on{I  
STO STANDARD          -1500           -450               MIRROR           204             -1 9e0C3+)CY  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 fFjLpl  
   4 STANDARD       167.5149              6                N-BK7            56              0 };
i&a%I|  
   5 STANDARD       123.4956       4.762038                                 56              0 
<>SR4  
   6 STANDARD      -262.7873              4                N-BK7            56              0 sg+ZQDF{x  
   7 STANDARD      -173.5643       263.0681                                 56              0 j l}!T[5  
   8 STANDARD       Infinity              0                           24.26983              0 G`9cd\^  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. I>A^5nk  
=XZF.ur  
7V9%)%=h|  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic m1^dT_7Z  
 OBJ STANDARD       Infinity       Infinity                                  0              0 QVnO
  
   1 STANDARD       Infinity            600                                170              0 XV74Fl  
   2 STANDARD          -2000           -580               MIRROR           420             -1 8L]gQ g  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 *6 I =oE  
   4 STANDARD       559.8055              4                N-BK7           100              0 ?F?\uC2)'  
   5 STANDARD       237.0107       6.225114                                100              0 W /~||s  
   6 STANDARD      -1486.626              6                N-BK7           100              0 JxX jDYrU  
   7 STANDARD      -319.3041       350.9258                                100              0 sDzD 8as  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 1Qp1Es<)  
 IMA STANDARD       Infinity                                          44.12228              0 n4ds;N3Hd  

波像差真小啊！