%无中间像，焦距输入为负数 lL1k.& |5m
function sjr=nfdre(~) 4DZ-bt'
ifN64`AhRX
%系统焦距及各镜间距输入，间距取负正负 2 4 1*!
{uzf" %VtP
f=input('f:'); U 9b?i$
d1=input('d1:'); jZ NOt
d2=input('d2:'); W9NX=gE4
d3=input('d3:'); D %Xo&V[
&0f5:M{P
A=f^2/(d3*d2)-f/d1; ;WR,eI ..
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); F:x [
C=d3/d2-f/d1; dO a%9[
:
]C ~gc
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 %*BlWk !Q
a2=d3/(a1*f);%α2 2-Y<4'>
b2=a1*(1-a2)*f/d2;%β2 fb^fVSh>
b1=(1-a1)*f/(d1*b2);%β1 MEB it
SlsdqP
9
/SYw; <=
%曲率半径 #g6.Glz3
8WnwQ%;m?
R1=2*f/(b1*b2) J2:y6kGj>
R2=2*a1*f/(b2*(1+b1)) ]U"94S U:)
R3=2*a1*a2*f/(1+b2) vVOh3{e|
5\z `-)
A1=b2^3*(a1-1)*(1+b1)^3; ,v"YqD+GC5
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; *}P~P$q%
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; c38D}k^):
2}8v(%s p
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); eJg8,7WC
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); F$)[kP,wtO
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);
O({2ivX
1I:+MBGin
CB=[C1 B1;C2 B2]; ti
\wg
AB=[A1 B1;A2 B2]; p, #o<W
AC=[A1 C1;A2 C2]; 4EY)!?;
-B +4+&{T
%非球面系数 V:y'Qf2M
k2=-(det(CB)/det(AB)); B
{>7-0
k3=-(det(AC)/det(AB)); =E. w v
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 YPxM<Gfa8
k2=k2 .mR8q+I6
k3=k3 {;2PL^i
_bNzXF
end a |X a3E
lnjXD oVb<
%有中间像，焦距输入为正数 v/ _
wRVUu )
function sjr=yfdre(~)
$ ` ""
nR*ryv
f=input('f:'); W)bLSL]`E
d1=input('d1:'); gw!vlwC&T
d2=input('d2:'); x7Yu I
d3=input('d3:'); ,y#Kv|R
;0Tx-8l
A=f^2/(d3*d2)-f/d1; HAa; hb
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); yK=cZw%D
C=d3/d2-f/d1; c24dSNJg,
h'{ C[d
a1=(-B-sqrt(B^2-4*A*C))/(2*A); I`!<9OTBj
a2=d3/(a1*f); LcTP #
b2=a1*(1-a2)*f/d2; )P
sY($ &
b1=(1-a1)*f/(d1*b2); < J`0
GB=X5<;
%曲率半径 %l Gl,me H
@J/K-.r
R1=2*f/(b1*b2) 4\iOeZRf
R2=2*a1*f/(b2*(1+b1)) 'DCTc&J['
R3=2*a1*a2*f/(1+b2) ,
K~}\CR
SHfy".A6.0
A1=b2^3*(a1-1)*(1+b1)^3;
R[D{|K@"
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; gi1^3R[
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; [<@.eH$hU/
<eWf<
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); R\!2l |_
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); W:pIPDx1=!
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); 3`DQo%<
uxr #QA
CB=[C1 B1;C2 B2]; s;ls qQk
AB=[A1 B1;A2 B2]; H& -zZc4\
AC=[A1 C1;A2 C2]; },{$*f[
T 4Pgbop
%二次系数 yb\_zE\
GjvOM y
k2=-(det(CB)/det(AB)); 0x@6^ %^\
k3=-(det(AC)/det(AB)); *nkoPVpC
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 i9,ge Q7d
k2=k2 <Z mg#
k3=k3 -(;26\lE
. 1Dg s=|
end
