%无中间像，焦距输入为负数 zVS{ X= u
function sjr=nfdre(~) d*^JO4'
9xK> fM&u
%系统焦距及各镜间距输入，间距取负正负 >j=ZB3yZ
]%6%rq%9C
f=input('f:'); oDA'$]UL
d1=input('d1:'); 3 Hr G^/
d2=input('d2:'); l7VO8p]y[R
d3=input('d3:'); !.j{vvQ/
F|F0#HC ?
A=f^2/(d3*d2)-f/d1; L>14=Pr^(
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); %" H:z
C=d3/d2-f/d1; uQ W)pD{_
Cb+sE" x]
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 ]eGa_Ld
a2=d3/(a1*f);%α2 3%)cUkD
b2=a1*(1-a2)*f/d2;%β2 nnPT08$
b1=(1-a1)*f/(d1*b2);%β1 fY P,V0P
B9"o Ru^}
v"1&xe^4
%曲率半径 u<:uL
0cHcBxdF
R1=2*f/(b1*b2) Jq` Dvz
R2=2*a1*f/(b2*(1+b1)) Eq)b=5qrG?
R3=2*a1*a2*f/(1+b2) U%@PY9#
F7=9> ,
A1=b2^3*(a1-1)*(1+b1)^3; `C>h]H(
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; $=plAi
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; *,X)tZ6VX
%D iQTg7V,
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); }6[jJ`=gOx
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); |^ 8 ND #x
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); epnZ Gz,A
%.$!VTO"
CB=[C1 B1;C2 B2]; _K#7#qp2
AB=[A1 B1;A2 B2]; _ooHB>sH
AC=[A1 C1;A2 C2]; VzSkqWF/"
@TALZk'%
%非球面系数 la{?&75]
k2=-(det(CB)/det(AB)); [1(e SH
k3=-(det(AC)/det(AB)); ,.P]5 lE
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 zdJPMNHg
k2=k2 jj&G[-"bv
k3=k3 rwDLBp k
bnfeZR1m_
end 85#
3|5n
ODu/B'*
%有中间像，焦距输入为正数 0t!Z MH
rmw}Ui"
function sjr=yfdre(~) @~2k5pa
mfZbo#KS#v
f=input('f:'); 3|$?T|#B
d1=input('d1:'); *m "@*O'
d2=input('d2:'); qE2<vjRg
d3=input('d3:'); S<] k0bC
=& pR=vl
A=f^2/(d3*d2)-f/d1; ?3N/#
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); Z|@-=S(.
C=d3/d2-f/d1; eM$a~4!d
2f:h z
a1=(-B-sqrt(B^2-4*A*C))/(2*A); ~W>{Dd(J_
a2=d3/(a1*f); 0i[t[_sce
b2=a1*(1-a2)*f/d2; \&vXp" -@
b1=(1-a1)*f/(d1*b2); %GjG.11V,_
fAStM:
%曲率半径 a'` i#U
60 ~*$`
R1=2*f/(b1*b2) umP nw
R2=2*a1*f/(b2*(1+b1)) ^'Lp<YJs6
R3=2*a1*a2*f/(1+b2) CxaI @+
7V=deYt_p
A1=b2^3*(a1-1)*(1+b1)^3; rs4:jS$)
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; fX9b1x
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; >; G_o="X
!(bYh`Uy
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); C|H`.|Q
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); GX19GI@k
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); 3 a(SmM:
t# M[w|5?
CB=[C1 B1;C2 B2]; MV<)qa T
AB=[A1 B1;A2 B2]; :D}?H@(69
AC=[A1 C1;A2 C2]; 7]u_
u@Gum|_=N
%二次系数 71Q`B#t0'Z
5D3&E_S
k2=-(det(CB)/det(AB)); q:>`|~MX
k3=-(det(AC)/det(AB)); )`k+Oyvi<
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 T:Q+ Z }v+
k2=k2 q:vN3#=^qf
k3=k3 fc:87ZR{ K
6/QWzw.0c
end
