%无中间像，焦距输入为负数 Bl[4[N
function sjr=nfdre(~) )<YfLDgTs
^I W5c>;|
%系统焦距及各镜间距输入，间距取负正负 o0ky]9
P
P! cfe@;<4
f=input('f:'); 1?I_f A}
d1=input('d1:'); zD^*->`p
d2=input('d2:'); xB4}9zN s
d3=input('d3:'); -A]-o
~cr##Ff 5
A=f^2/(d3*d2)-f/d1; 2 o)8 'Lp
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); A_8Xhem${
C=d3/d2-f/d1; Hnft1
U pTVLx^c
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 i 1dE.f ;
a2=d3/(a1*f);%α2 )B*D\9\Z
b2=a1*(1-a2)*f/d2;%β2 GBYeiEgZh
b1=(1-a1)*f/(d1*b2);%β1 mP*Ct6628n
#nq$^H
x`:c0y9uG
%曲率半径 Lm&BT)*
3QI. |;X
R1=2*f/(b1*b2) i2P:I A|@
R2=2*a1*f/(b2*(1+b1)) [_HY6g r
R3=2*a1*a2*f/(1+b2) H|)F-aL[
I3qT SX-
A1=b2^3*(a1-1)*(1+b1)^3; ctOBV
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; s3-TBhAv
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; K>2M*bGc p
yQcIfl]f
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); ni$;"R GC
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); \/ s0 p
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); XjXz#0nR
7 !F -.kG
CB=[C1 B1;C2 B2]; D wfw|h
AB=[A1 B1;A2 B2]; V_3K((P6
AC=[A1 C1;A2 C2]; 8,@0~2fz#
y[{}124
%非球面系数 CzDV^Iv;Q{
k2=-(det(CB)/det(AB)); @?JFqwq!
k3=-(det(AC)/det(AB)); O70#lvsM;
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 !$N QF/Ol
k2=k2 ;w7s>(ITZ
k3=k3 &g"`J`
}
fa
end <2af&-EG s
Q h{P>}
%有中间像，焦距输入为正数 r$:hiE@
TKp2C5bX
function sjr=yfdre(~) 0qq>(K[
oFb~ |>d
f=input('f:'); 5?Ukf$)x
d1=input('d1:'); s<+;5, Q|
d2=input('d2:'); |%oI,d=ycv
d3=input('d3:'); r=HL!XFk
cd|/ 4L 6
A=f^2/(d3*d2)-f/d1; pAws{3(Q
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); |It&1f z}
C=d3/d2-f/d1; Dz&,g+>$J
V x{
a1=(-B-sqrt(B^2-4*A*C))/(2*A); 99tUw' w
a2=d3/(a1*f); WMa` ! Q
b2=a1*(1-a2)*f/d2; J4x|Af p
b1=(1-a1)*f/(d1*b2); T/FZ n{I
VAo`R9^D#
%曲率半径 lc 3N i<3v
@\r2%M-
R1=2*f/(b1*b2) 1V a=.#<
R2=2*a1*f/(b2*(1+b1)) naM~>N
R3=2*a1*a2*f/(1+b2) Wecxx^vtv6
W&k@p9
A1=b2^3*(a1-1)*(1+b1)^3; 0NK|3]p
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; c^r WS&)P
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; ^/V nRpU
UxxX8N
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); FJ{/EloF
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); AhkDLm+
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); =W&m{F96
7GTDe'T
CB=[C1 B1;C2 B2]; (*b<IGi;
AB=[A1 B1;A2 B2]; _K&Hiz/'
AC=[A1 C1;A2 C2]; q6ZewuV.
+v~x_E5FP
%二次系数 qyAnq%B}
a`8]TD
k2=-(det(CB)/det(AB)); ;%Px~g
k3=-(det(AC)/det(AB)); dz^b(q
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 9)8Cf% <(
k2=k2 O c.fvP^ZD
k3=k3 puLgc$?
B&7NF}CF2
end
