%无中间像，焦距输入为负数 ~NYy@ l
function sjr=nfdre(~) OF^:_%c/
9C?;'
%系统焦距及各镜间距输入，间距取负正负 *>x~`
g<,kV(_7
f=input('f:'); X2avo|6e
d1=input('d1:'); so~vnSQ!x
d2=input('d2:'); Rj&V ~or
d3=input('d3:'); qd@x #"qT
:JBvCyj4PE
A=f^2/(d3*d2)-f/d1; (DzV3/+p^
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); Tk[`kmb
C=d3/d2-f/d1; s bf\;_!
"i+fO&LpZ
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 %kM|Hk3d
a2=d3/(a1*f);%α2 N1dp%b9W(
b2=a1*(1-a2)*f/d2;%β2 qA4w*{JN
b1=(1-a1)*f/(d1*b2);%β1 U% 2[,c_
h{ s - e.
}O+F#/6
%曲率半径 %i!&Fr
x.Sq2rw]V
R1=2*f/(b1*b2) EeW %5/;
R2=2*a1*f/(b2*(1+b1)) ET ;=o+\d
R3=2*a1*a2*f/(1+b2) Q fI =
|Qq_;x]
A1=b2^3*(a1-1)*(1+b1)^3; c< ke)@
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; lM1Y }
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 1aC ?*,e?
o $k1&hyH
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); M"
|Mte
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); TCW[;d
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); P
I gbeP
yFp8 >
CB=[C1 B1;C2 B2]; jl# )CEx
AB=[A1 B1;A2 B2]; %xE9vN;
AC=[A1 C1;A2 C2]; :Oz! M&O v
F1s kI _!
%非球面系数 #!,tI d
k2=-(det(CB)/det(AB)); H-gq0+,yE
k3=-(det(AC)/det(AB)); Z4U8~i
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 W~ 6ii\
k2=k2 p 4k*vuu>
k3=k3 F\1{b N|3
a8K"Z-LlQ
end <^}{sdOyu
\ "193CW!
%有中间像，焦距输入为正数 ]=5nC)|
Z!Y ^i N
function sjr=yfdre(~) '5V2{k$4U
2=pVX
f=input('f:'); cwK 6$Ax
d1=input('d1:'); =;(w Bj
d2=input('d2:'); KNtsz[# b
d3=input('d3:'); K8 Y/sHl
!^ko"^p
A=f^2/(d3*d2)-f/d1; 8 Zy`Z
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); u@v0I$
C=d3/d2-f/d1; Y rb[:;Y
Y
}*[Krw
a1=(-B-sqrt(B^2-4*A*C))/(2*A);
xviz{M9g
a2=d3/(a1*f); t\2Lo7[Pu
b2=a1*(1-a2)*f/d2; {}ks[%,_\
b1=(1-a1)*f/(d1*b2); HbWl: y U
SWujj,-[
%曲率半径 > <WR]`G
a%2r]:?^?
R1=2*f/(b1*b2) Fwn4c4- %
R2=2*a1*f/(b2*(1+b1)) #8.%YG
R3=2*a1*a2*f/(1+b2) 0( fN
!Kv.v7'N/k
A1=b2^3*(a1-1)*(1+b1)^3; "g7`Ytln
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; sMh3IL9(*
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; j'lfH6_')e
!2oe;q2X[G
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); OyVdQ".
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 3R pD Il`0
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); p;av6 3 i
?`?"j<4e
CB=[C1 B1;C2 B2]; D JSSc
AB=[A1 B1;A2 B2];
yE3g0@*
AC=[A1 C1;A2 C2]; c!@g<<}[(
[G{{f
%二次系数 _iBNy
j>s > i
k2=-(det(CB)/det(AB)); !( xeDX
k3=-(det(AC)/det(AB)); >U @7xeK
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 ^`
N+mlh
k2=k2 N_TWT&o4
k3=k3 cPe0o'`[
[4,= %ez
end
