[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 RpzW-  
%D>cY!  
基本條件是 M<xF4L3]  
Tz{-L%*#  
主鏡必須是拋物面 \xX'SB#.l  
+GT"n$)+  
副鏡必須是球面 vq1u!SY  
1WAps#b.  
系統包含一組校正鏡 v\-7sgZR  
07>Iq8<mu  
口徑200mm以上 O7yIFqI=/  
yK w.69.  
焦比不限制 ye`-U?7.  
_@O.EksY3r  
視角0.5度以上 mBDzc(_\$'  
 \1?:  
以下是我的結果,目前覺得副鏡的口徑太大,不知道有無改進的可能. @|fT%Rwho<  
1(qL),F;  
q}hHoSG]=  
XyD*V;.E  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic `FmRoMW9+  
OBJ STANDARD       Infinity       Infinity                                  0              0 ~y1k2n  
   1 STANDARD       Infinity            480                                220              0 x*wr8$@J  
STO STANDARD          -1500           -450               MIRROR           204             -1 DS=Dg@y  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 RH"EO4  
   4 STANDARD       167.5149              6                N-BK7            56              0 oI x!?,1
 
   5 STANDARD       123.4956       4.762038                                 56              0 Q6d>tqWhq  
   6 STANDARD      -262.7873              4                N-BK7            56              0 B+[L/C}=;  
   7 STANDARD      -173.5643       263.0681                                 56              0 P.kf|,8L  
   8 STANDARD       Infinity              0                           24.26983              0 v
O8CT-)  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. UKf0cU  
AmBLZ<f;  
DTCOhUIV  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic ^qV6k
hg  
 OBJ STANDARD       Infinity       Infinity                                  0              0 iTJE:[W"y  
   1 STANDARD       Infinity            600                                170              0 YI),yj  
   2 STANDARD          -2000           -580               MIRROR           420             -1 SaA-Krn  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 *w6(nG'M{  
   4 STANDARD       559.8055              4                N-BK7           100              0 +P;&/z8i*g  
   5 STANDARD       237.0107       6.225114                                100              0 ^4{"h  
   6 STANDARD      -1486.626              6                N-BK7           100              0 P yN{  
   7 STANDARD      -319.3041       350.9258                                100              0 -h{|u{t  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 8Xz \,}$O  
 IMA STANDARD       Infinity                                          44.12228              0 =yLJGNK[  

波像差真小啊！