[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 D4jf%7X!Lu  
Zr!he$8(2  
基本條件是
GMLDmTV  
F^Q[P4>m\  
主鏡必須是拋物面 mMLxT3Ci8  
nFE0y3GD8  
副鏡必須是球面 L\p@1N?K  
e>"/Uii  
系統包含一組校正鏡 4E&=qC]S  
^ 'jJ~U  
口徑200mm以上 WR;"^<i9  
("HT0&#a  
焦比不限制 {-X8MisI  
e*[M*u  
視角0.5度以上 etbB;!6  
tF> ?]  
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. :

{pJ  
_VIVZ2mU=  
Q=hf,
/N  
n[2[V*|mI  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic ==d@0`  
OBJ STANDARD       Infinity       Infinity                                  0              0 >{_`J  
   1 STANDARD       Infinity            480                                220              0 !M]_CPh]  
STO STANDARD          -1500           -450               MIRROR           204             -1 +f)Nf)\q  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 jtWI@04o09  
   4 STANDARD       167.5149              6                N-BK7            56              0 !
Pmv  
   5 STANDARD       123.4956       4.762038                                 56              0 =1D* JU  
   6 STANDARD      -262.7873              4                N-BK7            56              0 Epm'u[w
V  
   7 STANDARD      -173.5643       263.0681                                 56              0 (+g!~MP  
   8 STANDARD       Infinity              0                           24.26983              0 n ETm"  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. Xmy(pV!PF  
Dbr(Wg  
<wTkPErUG  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic 9;;1 "^4/  
 OBJ STANDARD       Infinity       Infinity                                  0              0 FK!9to>  
   1 STANDARD       Infinity            600                                170              0 n15c1=
gs  
   2 STANDARD          -2000           -580               MIRROR           420             -1 (CYVSO  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 NW
B/N*  
   4 STANDARD       559.8055              4                N-BK7           100              0 Cm}ZeQ  
   5 STANDARD       237.0107       6.225114                                100              0 hMw}[6m  
   6 STANDARD      -1486.626              6                N-BK7           100              0 z'r.LBnh  
   7 STANDARD      -319.3041       350.9258                                100              0 Cg 85  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 ,K7C2PV6  
 IMA STANDARD       Infinity                                          44.12228              0 :i*JlKHJd  

波像差真小啊！