[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 Yz[^?M%(D  
\QQw1c+  
基本條件是 V:yia^1  
}+,;wj~  
主鏡必須是拋物面 qA5tMZ^w  
eAPGy-  
副鏡必須是球面 '(~+ \  
JZ9w!)U
 
系統包含一組校正鏡 s_u@8e 6_  
LKTIwb>  
口徑200mm以上 :6%wVy5  
/wKL"M-%  
焦比不限制 *ewE{$UpK  
Koo%mr   
視角0.5度以上 6>X7JMRY  
bF<FX_}!s!  
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. RYy_Ppn96f  
#T&''a  
]~GwZB'M  
`gx_+m^  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic ~CQsv`
 
OBJ STANDARD       Infinity       Infinity                                  0              0 7$Jb"s  
   1 STANDARD       Infinity            480                                220              0 >6KuZ_  
STO STANDARD          -1500           -450               MIRROR           204             -1  GMrjZ  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 COZ<^*=A#p  
   4 STANDARD       167.5149              6                N-BK7            56              0 1 VcZg%I  
   5 STANDARD       123.4956       4.762038                                 56              0 !T!U@e=u  
   6 STANDARD      -262.7873              4                N-BK7            56              0 j!F5gP-l  
   7 STANDARD      -173.5643       263.0681                                 56              0 ]-
&A)M6  
   8 STANDARD       Infinity              0                           24.26983              0 RNiFLD%5  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. M$YU_RPl+  
?TWve)U  
O2{~Q{p  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic L)(JaZyV5  
 OBJ STANDARD       Infinity       Infinity                                  0              0 xbqFek$
/r  
   1 STANDARD       Infinity            600                                170              0 /{Mo'.=Z  
   2 STANDARD          -2000           -580               MIRROR           420             -1 RD6n1Wb(@  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 HKp|I%b]J  
   4 STANDARD       559.8055              4                N-BK7           100              0 `)y<X#[8  
   5 STANDARD       237.0107       6.225114                                100              0 nwS @r  
   6 STANDARD      -1486.626              6                N-BK7           100              0 ]w,:T/Z}  
   7 STANDARD      -319.3041       350.9258                                100              0 RW-)({  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 (;!92ct[?  
 IMA STANDARD       Infinity                                          44.12228              0 I%(YR"  

波像差真小啊！