[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 /YJo"\7  
v=k+MvX  
基本條件是 $kUB%\`  
q{w|`vIb  
主鏡必須是拋物面 !tq]kKJ3:  
<B6md i'R  
副鏡必須是球面 LUQ.=:mBR  
8"h;+;  
系統包含一組校正鏡 V(ELrjB0  
Cy-p1s  
口徑200mm以上 ~XR('}5D  
Wl| i$L)7  
焦比不限制 9vRLM*9|  
z^9oaoTl  
視角0.5度以上 ka_m Q<{9  
^G!c
v  
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. /\1'.GR  
_7!ZnJrR
 
utck{]P  
}3lG'Y#Kpy  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic Q>5f@aN  
OBJ STANDARD       Infinity       Infinity                                  0              0 DOWWG!mx  
   1 STANDARD       Infinity            480                                220              0 J!Z6$V
ERy  
STO STANDARD          -1500           -450               MIRROR           204             -1 ]xRR/S4  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 !oH{=.w  
   4 STANDARD       167.5149              6                N-BK7            56              0 |k}<Zz1UM  
   5 STANDARD       123.4956       4.762038                                 56              0 :!Ci#[g  
   6 STANDARD      -262.7873              4                N-BK7            56              0 =%` s-[5b  
   7 STANDARD      -173.5643       263.0681                                 56              0 "}()/  
   8 STANDARD       Infinity              0                           24.26983              0 It3k
#A0  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. 50 w
$PW  
cEf"m?w  
@~vg=(ic(  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic Pfs_tu  
 OBJ STANDARD       Infinity       Infinity                                  0              0 2XL^A[?   
   1 STANDARD       Infinity            600                                170              0 I;}U/'RR>  
   2 STANDARD          -2000           -580               MIRROR           420             -1 Sm[#L`eqW  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 { 1~]}K2  
   4 STANDARD       559.8055              4                N-BK7           100              0 [? "hmSJ  
   5 STANDARD       237.0107       6.225114                                100              0  }c||$  
   6 STANDARD      -1486.626              6                N-BK7           100              0 3B;Gm<fJ9N  
   7 STANDARD      -319.3041       350.9258                                100              0 1q;R+65  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 n3?P8m$  
 IMA STANDARD       Infinity                                          44.12228              0 0#GnmH  

波像差真小啊！