[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 l4+Bs!i`  
d`+@ _)ea  
基本條件是 $'obj  
}hy, }2(8  
主鏡必須是拋物面 fyE#8h_>4  
z nxAP|  
副鏡必須是球面 mWPA]g(  
OEFALt  
系統包含一組校正鏡 V"`t*m$  
3/i_?G  
口徑200mm以上 *P.Dbb8vn  
?|;q=p`t-  
焦比不限制 }[gk9uM_7  
$|V@3`0  
視角0.5度以上 86AZ)UP2D  
d^sm;
f  
以下是我的結果,目前覺得副鏡的口徑太大,不知道有無改進的可能. U$,W/G}m  
_^5OoE"}!  
g VPtd[r  
GF=rGn@,)`  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic R]! [h  
OBJ STANDARD       Infinity       Infinity                                  0              0 c?0.>^,B Q  
   1 STANDARD       Infinity            480                                220              0 aF41?.s  
STO STANDARD          -1500           -450               MIRROR           204             -1 }pMd/|A,  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 n+XLZf#  
   4 STANDARD       167.5149              6                N-BK7            56              0 d~F4  
   5 STANDARD       123.4956       4.762038                                 56              0 ;"K;D@xzh]  
   6 STANDARD      -262.7873              4                N-BK7            56              0 74p=uQ  
   7 STANDARD      -173.5643       263.0681                                 56              0 >{HQ"{Q  
   8 STANDARD       Infinity              0                           24.26983              0 ^I CSs]}1  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. /wI"oHZd  
CBr(a'3{Z  
)UCc!  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic +6`+Q2qi  
 OBJ STANDARD       Infinity       Infinity                                  0              0 [eO^C  
   1 STANDARD       Infinity            600                                170              0 DYDeb i6  
   2 STANDARD          -2000           -580               MIRROR           420             -1 l+A)MJd oj  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 abD@0zr  
   4 STANDARD       559.8055              4                N-BK7           100              0 YO'a
X  
   5 STANDARD       237.0107       6.225114                                100              0 S"4eS,5L|  
   6 STANDARD      -1486.626              6                N-BK7           100              0 dfP4SJqq  
   7 STANDARD      -319.3041       350.9258                                100              0 z?^oy.  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 `FGYc  
 IMA STANDARD       Infinity                                          44.12228              0 85T"(HhT  

波像差真小啊！