[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 L,$9)`j  
{dDU^7O  
基本條件是 HzV3O-Qz]  
'a}pWkLB  
主鏡必須是拋物面 :v#3;('7  
-4.+
&'  
副鏡必須是球面 +m_quQ/ys  
K\#+;\V  
系統包含一組校正鏡 cOSUe_S0w[  
"bqB@)  
口徑200mm以上 F{v+z8nW  
lq7
4Fz&(  
焦比不限制 o}BaZ|iZ2  

CAk.2C/  
視角0.5度以上 z?7pn}-  
D?$f[+  
以下是我的結果,目前覺得副鏡的口徑太大,不知道有無改進的可能. RaR$lcG+iY  
ral0@\T  
-70Ut 4B  
7+fFKZFKF  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic w;XXjT  
OBJ STANDARD       Infinity       Infinity                                  0              0 LaRY#9  
   1 STANDARD       Infinity            480                                220              0 :%R3( &  
STO STANDARD          -1500           -450               MIRROR           204             -1 D9h\=[%e  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 6H@=O1W
  
   4 STANDARD       167.5149              6                N-BK7            56              0 &@yW<<  
   5 STANDARD       123.4956       4.762038                                 56              0
9i n&\  
   6 STANDARD      -262.7873              4                N-BK7            56              0 :2La,  
   7 STANDARD      -173.5643       263.0681                                 56              0 /IODRso/!  
   8 STANDARD       Infinity              0                           24.26983              0 6u7>S?  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. 1d,;e:=j  
X0O@,  
CNQ>J`4  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic 3+rud9T  
 OBJ STANDARD       Infinity       Infinity                                  0              0 6"b =aPTi  
   1 STANDARD       Infinity            600                                170              0 va[@XGaC3  
   2 STANDARD          -2000           -580               MIRROR           420             -1 1*,f  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 _ 7X0  
   4 STANDARD       559.8055              4                N-BK7           100              0 u?r=;:N|y  
   5 STANDARD       237.0107       6.225114                                100              0 ;b-Y$<  
   6 STANDARD      -1486.626              6                N-BK7           100              0 0x*L
"HD  
   7 STANDARD      -319.3041       350.9258                                100              0 0P_q
tS  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 3!ZndWSHV  
 IMA STANDARD       Infinity                                          44.12228              0 1--_E,Su>  

波像差真小啊！