[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 QpPJ99B|  
"
3v[\M3  
基本條件是 v&B*InR?+  
6 /Apdn1[  
主鏡必須是拋物面 \@4_l?M  
V(Ps6jR"BS  
副鏡必須是球面 )-2o}KU]>  
i(JB
BE"  
系統包含一組校正鏡 OgfmyYMtc  
2Ek6YNx  
口徑200mm以上 Eq9TJt'3y  
F}A@H<?  
焦比不限制 <m80e),~  
_1`*&k JL~  
視角0.5度以上 DLkNL?a  
~3.
1. 'A  
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. */n)_  
V,($I'&/  
S ;x;FU  
Mrp'wF D  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic 6v0^'}  
OBJ STANDARD       Infinity       Infinity                                  0              0 a'ViyTBo  
   1 STANDARD       Infinity            480                                220              0 PqIGc  
STO STANDARD          -1500           -450               MIRROR           204             -1 ZgLO[Bj  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 SQ)$>3>C  
   4 STANDARD       167.5149              6                N-BK7            56              0 8| zR8L  
   5 STANDARD       123.4956       4.762038                                 56              0 0}c*u) ,  
   6 STANDARD      -262.7873              4                N-BK7            56              0 jBV2]..  
   7 STANDARD      -173.5643       263.0681                                 56              0 dx@#6Fhy  
   8 STANDARD       Infinity              0                           24.26983              0 rO/mK$  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. 4*lS
hkL  
0X`Qt[  
J+[&:]=P  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic ,2[laJ  
 OBJ STANDARD       Infinity       Infinity                                  0              0 >;nE.]  
   1 STANDARD       Infinity            600                                170              0 ]o_Z3xXUa  
   2 STANDARD          -2000           -580               MIRROR           420             -1 4/S4bk*8  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 v@LK3S/!3  
   4 STANDARD       559.8055              4                N-BK7           100              0 EkEM|<GNd  
   5 STANDARD       237.0107       6.225114                                100              0 5l2Ph4(  
   6 STANDARD      -1486.626              6                N-BK7           100              0 ,JN2q]QPP  
   7 STANDARD      -319.3041       350.9258                                100              0 NM/?jF@j*  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 oU$Niw9f  
 IMA STANDARD       Infinity                                          44.12228              0 @ ILG3"  

波像差真小啊！