%无中间像，焦距输入为负数 :G -1YA
function sjr=nfdre(~) L\Y KdUL
ob
E:kNE9
%系统焦距及各镜间距输入，间距取负正负 0#QKVZq2>
7{ pIPmJ
f=input('f:'); @lS==O-`f
d1=input('d1:'); i'HPRY
d2=input('d2:'); 1 t PVP
d3=input('d3:'); R:~(Z?
zOB !(R
A=f^2/(d3*d2)-f/d1; S ZlC4=6c
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); `FZF2.N
C=d3/d2-f/d1; ,h^r: g
9~c~E/4!
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 w? *z^y@
a2=d3/(a1*f);%α2 +Q)ULnie e
b2=a1*(1-a2)*f/d2;%β2 D+sQP ymI
b1=(1-a1)*f/(d1*b2);%β1 TnNWO+ kg
mG2VZ>
GAw(mH*
%曲率半径 ?`"n3!>bS
SWs3 SYJ\
R1=2*f/(b1*b2) edijfhn
R2=2*a1*f/(b2*(1+b1)) r?p[3JJ;mG
R3=2*a1*a2*f/(1+b2) qbiK^g R
WULAty
A1=b2^3*(a1-1)*(1+b1)^3; XE1$K_m
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; @'i+ff\
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; +@ MPQv
?^9BMQ+
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 5qbq ,#Pf
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); ;~+]! U
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); *0y{ ~@
Kb&V!#o)
CB=[C1 B1;C2 B2]; <s X VW
AB=[A1 B1;A2 B2]; j13DJ.xu
AC=[A1 C1;A2 C2]; !`&\Lx_
\\:|Odd
%非球面系数 -\#lF?fzb
k2=-(det(CB)/det(AB)); f+x ;:
k3=-(det(AC)/det(AB)); mnjs(x<m
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 83 I-X95
k2=k2 c ~imE%
k3=k3 kz B\'m,l
7 [d ?
end *fnvZw?
m%QSapV
%有中间像，焦距输入为正数 E{y1S\7K
4^*,jS-9g}
function sjr=yfdre(~) 5\ hd4
y$ b]7O
f=input('f:'); 8{0k0 &x
d1=input('d1:'); 8 #}D
: (
d2=input('d2:'); ]Gv!M?:
d3=input('d3:'); PFrfd_s{>\
8Pmdk1 ~
A=f^2/(d3*d2)-f/d1; ]~0}=,H$N
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); XNehPZYS
C=d3/d2-f/d1; -Z0+oU(?YE
n~ .*1. P
a1=(-B-sqrt(B^2-4*A*C))/(2*A); J?&l*_m;t
a2=d3/(a1*f); A"uU Lfnk
b2=a1*(1-a2)*f/d2; "m$3)7 $
b1=(1-a1)*f/(d1*b2); 7
oQ[FdRn*
uO6{r v\
%曲率半径 Z=?aEU$7
4!.(|h@
R1=2*f/(b1*b2) %lw! e
R2=2*a1*f/(b2*(1+b1)) iW%8/$
R3=2*a1*a2*f/(1+b2) b2C`g]ibQ
By)u-)g9
A1=b2^3*(a1-1)*(1+b1)^3; % 0T+t.
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; F$ V/K&&W
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; o-C#|t3hH
7f{=w,
U
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); LWf qEL
-
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); -0C@hM,wm
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); k*mt4~KLT8
! RW
`3
CB=[C1 B1;C2 B2]; pkgjTXR2b
AB=[A1 B1;A2 B2]; NSQp <
m
AC=[A1 C1;A2 C2]; V ~@^`Gd
#V,R >0"
%二次系数 9X$ma/P[
vBcq_sbo
k2=-(det(CB)/det(AB)); 2c5-)Dt)T
k3=-(det(AC)/det(AB)); _hu ")os
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 ) 2I H
5
k2=k2 (kv?33
k3=k3 lQ' GX9hN@
AlXNg!j;5K
end
