%无中间像,焦距输入为负数 *?EjYI
function sjr=nfdre(~) T2c_vY
gt].rwo"
%系统焦距及各镜间距输入,间距取负正负 okd
``vG
\9&YV;Ct
f=input('f:'); ,Y78Q
d1=input('d1:'); >\^N\&
d2=input('d2:'); `kaR@t
d3=input('d3:'); Om &{4a\
+z~!#j4Q
A=f^2/(d3*d2)-f/d1; #n6FQ$l8m
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); eLe,=
C=d3/d2-f/d1; r"HbrQn
]%vGC^
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 ')Dp%"\?
a2=d3/(a1*f);%α2 2zmQp
b2=a1*(1-a2)*f/d2;%β2 N]O{T_5-0
b1=(1-a1)*f/(d1*b2);%β1 j\jL[hG_
p@!@^1j=
^Yg|P&e(;
%曲率半径 a:(: :m
\N-|
iq
R1=2*f/(b1*b2) e0G}$
as
R2=2*a1*f/(b2*(1+b1)) *Bb|N--jI
R3=2*a1*a2*f/(1+b2) rU2YMghE
!#_h2a
A1=b2^3*(a1-1)*(1+b1)^3; L*SSv
wSL
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; v"G%5pq*\
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; <IHFD^3|j
Nv*E .|G
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 76u/WC>B
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 1OfSq1G>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); #buV;!_!E?
h1G*y
CB=[C1 B1;C2 B2]; xqi*N13
AB=[A1 B1;A2 B2]; /w}B07.
AC=[A1 C1;A2 C2]; 5pKvNLy.t
o\=i0HR9
%非球面系数 T?p`Y| gl
k2=-(det(CB)/det(AB)); FJwZo}<6E
k3=-(det(AC)/det(AB)); f2SU5e2
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 +UpMMh q
k2=k2 :<WQ;q
k3=k3 -KU)7V
fa*H cz
end vS24;:f
_L `N^I.
%有中间像,焦距输入为正数 HqnKpZ
wn A%Nh7
function sjr=yfdre(~) TJ%]{%F
8KL_PwRX_f
f=input('f:'); SceCucT
d1=input('d1:'); bVAgul=__
d2=input('d2:'); h3;o!FF
d3=input('d3:'); DESViQM
D-b2E6o6
A=f^2/(d3*d2)-f/d1; r
PRuSk-f
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); yV+ E;
C=d3/d2-f/d1; z
kX-"}$8
N|Cy!E=d
a1=(-B-sqrt(B^2-4*A*C))/(2*A); 4W//Oc@e
a2=d3/(a1*f); " jQe\
b2=a1*(1-a2)*f/d2; :z0>H5
b1=(1-a1)*f/(d1*b2); gA6h5F)_
sY;gh`4h
%曲率半径 ~=AKX(Q
^]lwd"$
R1=2*f/(b1*b2) "aCb;2Rs
R2=2*a1*f/(b2*(1+b1)) KZ<RDXV T
R3=2*a1*a2*f/(1+b2) ap$tu3j
+^&v5[$R
A1=b2^3*(a1-1)*(1+b1)^3; U3j~}H.D1
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; E][{RTs
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ;iC'{S
ID)gq_k[8,
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); &fd4IO/O
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 6nWx>R<
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);
b\0Q:
@gqs4cg{f
CB=[C1 B1;C2 B2]; 1={Tcq\]
AB=[A1 B1;A2 B2]; D"] [&m
AC=[A1 C1;A2 C2]; q[|`&6B
#!d^3iB2
%二次系数 |gRgQGeB
n-b<vEZw#
k2=-(det(CB)/det(AB)); /E4 }d=5L
k3=-(det(AC)/det(AB)); ]-5jgz"
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 0iZ9a/v
k2=k2 T;[c<gc/
k3=k3 ^B!?;\4IM
,pa&he
end