%无中间像，焦距输入为负数 so*7LM?ib>
function sjr=nfdre(~) iuEdm :pW
)C[8#Q-:
%系统焦距及各镜间距输入，间距取负正负 ;N|6C+y
l3,|r QD
f=input('f:'); !*;)]j
d1=input('d1:'); ak zb<aT
d2=input('d2:'); rcOmpgew
d3=input('d3:'); z; +x `i.
Nbda P {{
A=f^2/(d3*d2)-f/d1; Ue7~rPdlR
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); lq~n*uwO}t
C=d3/d2-f/d1; 5ym
=2U
'JydaF~>
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 +?8nY.~,'
a2=d3/(a1*f);%α2 Nf1l{N
b2=a1*(1-a2)*f/d2;%β2 '@FKgy;B)-
b1=(1-a1)*f/(d1*b2);%β1 [(hENX}o :
wC 19
.dV!d u
%曲率半径 6m9Z5:xG
yI!K
quMC
R1=2*f/(b1*b2) Rs dACP
R2=2*a1*f/(b2*(1+b1)) (+@H !>r$$
R3=2*a1*a2*f/(1+b2) I/adzLQ
xAI<<[-
A1=b2^3*(a1-1)*(1+b1)^3; JW $#~"@r
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; R[b?kT-%
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; a)]N#gx
+J2=\YO
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); UX6-{
RP
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); {pqm&PB04
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); "(5M }5D
Lt)t}0
CB=[C1 B1;C2 B2]; "2)T=vHi#
AB=[A1 B1;A2 B2]; wS4zAu
AC=[A1 C1;A2 C2]; |cH\w"DcXw
plca`
%非球面系数 QS[%`-dR2
k2=-(det(CB)/det(AB)); g$ h!:wW
k3=-(det(AC)/det(AB)); b |EZ;,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 {x+jFj.
k2=k2 B=f{`rM)~W
k3=k3 `'~|DG}a
VGSe<6Hh
end _M?:N:e
&{$\]sv
%有中间像，焦距输入为正数 pJqayz V
m2_B(-
function sjr=yfdre(~) LWY`J0/
~
60J
f=input('f:'); {w2<;YXj!
d1=input('d1:'); RxqXGM`4
d2=input('d2:'); W>Zce="_gN
d3=input('d3:'); :
"UBeo<Z
^T^fowt=r
A=f^2/(d3*d2)-f/d1; yd2ouCUV
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); +!X^E9ra
C=d3/d2-f/d1; T^" d%au
kWWb<WRW:
a1=(-B-sqrt(B^2-4*A*C))/(2*A); Ih.o;8PpK
a2=d3/(a1*f); }hGbF"clqg
b2=a1*(1-a2)*f/d2; )%*uMuF
b1=(1-a1)*f/(d1*b2); -IP c;`<
KN V$9&Z
%曲率半径 uvT]MgT
6 ,k} v:
R1=2*f/(b1*b2) >J4_/p>Qs
R2=2*a1*f/(b2*(1+b1)) &cZD{Z
R3=2*a1*a2*f/(1+b2) u+hzCCwtR
zD?<m
J`
A1=b2^3*(a1-1)*(1+b1)^3; ^NP " m
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; AE@*#47
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; zF{5!b
$L?stgU
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); #bnFR
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); /<GygRs
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); m~# O
~)
)
~X\W\
CB=[C1 B1;C2 B2]; oSxHTbp?
AB=[A1 B1;A2 B2]; zc(- dMlK
AC=[A1 C1;A2 C2]; o#G7gzw)
Rf7 py )
%二次系数 dq[CT
6zyozJA
k2=-(det(CB)/det(AB)); Q &yfl
k3=-(det(AC)/det(AB)); 0LxA+
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 0?k/vV4
k2=k2 "Y4 tt0I
k3=k3 xZBmQ:s',S
\07
s'W U
end
