[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 Skbd'j  
z!M8lpIM  
基本條件是 un)YK  
7CK3t/
3D  
主鏡必須是拋物面 F&Bh\C)]  
xF#'+Y  
副鏡必須是球面 4R(H@p%+r2  
THVF(M4v  
系統包含一組校正鏡 sbju3nvk  
u6B,V  
口徑200mm以上 @26gP:Um  
i-<1M|f  
焦比不限制 ZM6`:/lc  
tyW5k(>  
視角0.5度以上 |g$n-t  
cbton<r~  
以下是我的結果,目前覺得副鏡的口徑太大,不知道有無改進的可能. 8p;|&7  
KF%tF4^+|  
R7nT,7k.  
**D3.-0u&  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic V,*<E&+  
OBJ STANDARD       Infinity       Infinity                                  0              0 __3s3YG  
   1 STANDARD       Infinity            480                                220              0 ]52.nxs~  
STO STANDARD          -1500           -450               MIRROR           204             -1 2`[iTBZ=^  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 MMQ^&!H  
   4 STANDARD       167.5149              6                N-BK7            56              0 xA&RMu&  
   5 STANDARD       123.4956       4.762038                                 56              0 Qf>$'C(7!a  
   6 STANDARD      -262.7873              4                N-BK7            56              0 @U 6jd4?)  
   7 STANDARD      -173.5643       263.0681                                 56              0 !:GlxmtoW?  
   8 STANDARD       Infinity              0                           24.26983              0 o4zX 41W  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. nkxv,_)ZT  
F*, e,s  
L>>RboR}  
Surf     Type         Radius      Thickness                Glass      Diameter          Conic ;_oJGII?br  
 OBJ STANDARD       Infinity       Infinity                                  0              0 0|=
,!sY  
   1 STANDARD       Infinity            600                                170              0 /7CV7=^d,  
   2 STANDARD          -2000           -580               MIRROR           420             -1 DCheG7lo{  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 QSNPraT  
   4 STANDARD       559.8055              4                N-BK7           100              0 w2(pgWed  
   5 STANDARD       237.0107       6.225114                                100              0 1Uaj}=@M  
   6 STANDARD      -1486.626              6                N-BK7           100              0 JP1XH k  
   7 STANDARD      -319.3041       350.9258                                100              0 '~\\:37+  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 S11ME  
 IMA STANDARD       Infinity                                          44.12228              0 _)%Sz"g^Ix  

波像差真小啊！