[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 ~a`[p
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基本條件是 0
h*
Le  
.G!xcQ`?  
主鏡必須是拋物面 u*)/e9C  
i:0v6d
  
副鏡必須是球面 K8X7IE  
)c' 45bD  
系統包含一組校正鏡 7N[".V]c  
wPjq B{!Q  
口徑200mm以上 Si?s69  
bN zb#P#hP  
焦比不限制 bkDVW  
v4"Ukv  
視角0.5度以上 m]>zdP+  
7UMZs7L$  
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. >U{iof<  
cE 'LE1DK  
nWIZ0Nde'  
/h+ W L  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic W{"sB:E  
OBJ STANDARD       Infinity       Infinity                                  0              0 )0exGx+:  
   1 STANDARD       Infinity            480                                220              0 Gd%i?(U,R  
STO STANDARD          -1500           -450               MIRROR           204             -1 3P2{M}WIl  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 `K.C>68  
   4 STANDARD       167.5149              6                N-BK7            56              0 Mu[lk=jC  
   5 STANDARD       123.4956       4.762038                                 56              0 M8X6!"B$Y  
   6 STANDARD      -262.7873              4                N-BK7            56              0 nwKp8mfP  
   7 STANDARD      -173.5643       263.0681                                 56              0 G^k'sgy.  
   8 STANDARD       Infinity              0                           24.26983              0 >80k5$t  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. NF8<9  
%JE>Z]  
4C3_gm  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic IrL%0&*hS  
 OBJ STANDARD       Infinity       Infinity                                  0              0 6NX#=A  
   1 STANDARD       Infinity            600                                170              0 6U !P8q  
   2 STANDARD          -2000           -580               MIRROR           420             -1 r5~W/e
E  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 bIiuna\  
   4 STANDARD       559.8055              4                N-BK7           100              0 fG'~@'P~  
   5 STANDARD       237.0107       6.225114                                100              0 5K1cPU~o_b  
   6 STANDARD      -1486.626              6                N-BK7           100              0 ?2&= +QaT  
   7 STANDARD      -319.3041       350.9258                                100              0 3T
u]-.  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 `CVkjLiy  
 IMA STANDARD       Infinity                                          44.12228              0 /Ot3[B  

波像差真小啊！