[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 } X^|$  
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基本條件是 Dfps gY)/?  
~/8M 3k/  
主鏡必須是拋物面 $U$V?xuE  
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副鏡必須是球面 K=C!b?  
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系統包含一組校正鏡 ,ldI2]  
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口徑200mm以上 5Xl/L  
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焦比不限制 W%.v.0  
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視角0.5度以上  )LJnLo+  
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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. JC
}f-%H?K  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic Aub]IO~  
OBJ STANDARD       Infinity       Infinity                                  0              0 [/ !;_b\X  
   1 STANDARD       Infinity            480                                220              0 :l2g#* c  
STO STANDARD          -1500           -450               MIRROR           204             -1 "p/j; 6H  
   3 STANDARD      -1313.861       279.4093               MIRROR      88.07552              0 2$14q$eb  
   4 STANDARD       167.5149              6                N-BK7            56              0 DUL4noq{  
   5 STANDARD       123.4956       4.762038                                 56              0 #'-Sh7ycW  
   6 STANDARD      -262.7873              4                N-BK7            56              0 L lw&& K  
   7 STANDARD      -173.5643       263.0681                                 56              0 lqowG!3H  
   8 STANDARD       Infinity              0                           24.26983              0 %.<H=
!$  
IMA STANDARD       Infinity                                          24.26983              0

經過不斷的努力,做了一些改進. rVtw-[p  
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Surf     Type         Radius      Thickness                Glass      Diameter          Conic dI*'!wK  
 OBJ STANDARD       Infinity       Infinity                                  0              0 [EY`am8[  
   1 STANDARD       Infinity            600                                170              0 A])P1c. 7"  
   2 STANDARD          -2000           -580               MIRROR           420             -1 Z?NEO>h7  
 STO STANDARD      -1884.757       397.7682               MIRROR      168.9907              0 0@5E|<A  
   4 STANDARD       559.8055              4                N-BK7           100              0 Bi~:>X\[^6  
   5 STANDARD       237.0107       6.225114                                100              0 PF`rWw  
   6 STANDARD      -1486.626              6                N-BK7           100              0 {kLGWbo|Q  
   7 STANDARD      -319.3041       350.9258                                100              0 Fl{WAg  
   8 STANDARD       Infinity     0.04561954                           44.12979              0 D-IR!js ]  
 IMA STANDARD       Infinity                                          44.12228              0 mPPk)qy  

波像差真小啊！