%无中间像，焦距输入为负数 00SYNG!
function sjr=nfdre(~) pKZRgA#kN
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%系统焦距及各镜间距输入，间距取负正负 1aAY7Dm_&
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f=input('f:'); wE3L,yx=
d1=input('d1:'); _+7+90u
d2=input('d2:'); j)nL!":O
d3=input('d3:'); b!p]\B!
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A=f^2/(d3*d2)-f/d1; \<ko)I#%
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); %cO^:
C=d3/d2-f/d1; =y^`yv 3
pl }nb Y
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 ,Iv eKk5W
a2=d3/(a1*f);%α2 ZWmS6?L.
b2=a1*(1-a2)*f/d2;%β2 o%yfR.M6$
b1=(1-a1)*f/(d1*b2);%β1 r=Tz++!
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dl]pdg<
%曲率半径 R?t_tmKXC!
y#T.w0*
R1=2*f/(b1*b2) .}9Lj
R2=2*a1*f/(b2*(1+b1)) %g_ )_ ~
R3=2*a1*a2*f/(1+b2) ` .z"Q%uz
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A1=b2^3*(a1-1)*(1+b1)^3; lf w| Q@
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; Wu~cy}\
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ,B~5;/ |
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A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); n!- ]f.=P
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); * z'v
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); J Bgq2
T09 5]*Hm
CB=[C1 B1;C2 B2]; Ct][B{
AB=[A1 B1;A2 B2]; 3Ofh#|qc&
AC=[A1 C1;A2 C2]; C: AD ZJL
Z=9<esx
%非球面系数 25PZ&^G 8%
k2=-(det(CB)/det(AB)); 4^Ss\$*
k3=-(det(AC)/det(AB)); g#k@R'7E
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[r 6 jo7
k2=k2 3,'L W}
k3=k3 v M'!WVs
a<0q%A x
end z:a7)z
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%有中间像，焦距输入为正数
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function sjr=yfdre(~) 5X> K#N
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f=input('f:'); p/yz`m T'w
d1=input('d1:'); %iB,hGatE
d2=input('d2:'); kQ]4 Bo
d3=input('d3:'); QQ`tSYgex
* > /w,E]
A=f^2/(d3*d2)-f/d1; ~:L5Ar<
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); @d5$OpL$%
C=d3/d2-f/d1; ihJ!]#Fbm
+DG-MM%\
a1=(-B-sqrt(B^2-4*A*C))/(2*A); 3:O| p[2)L
a2=d3/(a1*f);
E-%$1=;
b2=a1*(1-a2)*f/d2; MDQ:6Ri
b1=(1-a1)*f/(d1*b2); ?S;z!)
H)P
2D(sA
%曲率半径 Ee_?aG
e&
\2!.
R1=2*f/(b1*b2) qnHjw Mi
R2=2*a1*f/(b2*(1+b1)) cTz@ga;!mI
R3=2*a1*a2*f/(1+b2) IL:[0q
oxBTm |j7
A1=b2^3*(a1-1)*(1+b1)^3; Y Z]}l%e
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; u -)ED
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; S }fQis
S\ ]9mHJI
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); );T&pm:C>
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); (t){o> l
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); ;HBKOe_3
zB`J+r;LU
CB=[C1 B1;C2 B2]; 9B![l=Gh
AB=[A1 B1;A2 B2]; _u"" v
AC=[A1 C1;A2 C2]; x Q';$&
Ml9m#c
%二次系数 #D#kw*c
' 4 It>50b
k2=-(det(CB)/det(AB));
_ X
k3=-(det(AC)/det(AB)); "Bv V89
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 fN@ZJ~F%j
k2=k2 \[qxOZ{
k3=k3 Ie
K+
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end
