%无中间像,焦距输入为负数 VQ2'a/s
function sjr=nfdre(~) 8I#^qr5
7zU~X,
%系统焦距及各镜间距输入,间距取负正负 \h0+`
;Q
>zw@!1{1
f=input('f:'); dN:^RCFzS
d1=input('d1:'); &t_TLV 8T
d2=input('d2:'); JX&%5sn(
d3=input('d3:'); =,qY\@fq
E KN<KnU%
A=f^2/(d3*d2)-f/d1; b
KDD29
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); T/%Y_.NtU
C=d3/d2-f/d1; C8)s6
+u5xK
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 u$ci{<
a2=d3/(a1*f);%α2 z^4+Un
b2=a1*(1-a2)*f/d2;%β2 x{So
b1=(1-a1)*f/(d1*b2);%β1 $$Ibr]$5
5
/oW/2"
>Lo'H}[pF
%曲率半径 -!M>;M@
^ u0y<kItX
R1=2*f/(b1*b2) (6[/7e)
R2=2*a1*f/(b2*(1+b1)) Ic&YiATj
R3=2*a1*a2*f/(1+b2) U%#Vz-r
LtKR15h,
A1=b2^3*(a1-1)*(1+b1)^3; n<b}6L}
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; ,Tx38
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 6e5A8e8"]
$DnJ/hg;qD
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); %X%f0J
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); *g:Dg I 2
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); ~%
`hh9]
/Zx"BSu
CB=[C1 B1;C2 B2]; B !rb*"[
AB=[A1 B1;A2 B2]; L7xiq{t`Y
AC=[A1 C1;A2 C2]; Z$('MQ|Ur
C+t|fSJ
%非球面系数 B7[#z{8'#
k2=-(det(CB)/det(AB)); gdyWuOxa|
k3=-(det(AC)/det(AB)); Y[rCF=ZVH
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 ={6vShG)m
k2=k2 rF{,]U9`
k3=k3 [{vX*q
3B
.;,,{;
end sdd%u~4,X
`m"K_\w=/
%有中间像,焦距输入为正数 Gtvbm
'*&V7:
function sjr=yfdre(~) heb{i5el
dEX67rUj;
f=input('f:'); r9D
68*H
d1=input('d1:'); o(D_ /]'8
d2=input('d2:'); S~|\bnE
d3=input('d3:'); (5hUoDr!
"s`#`'
A=f^2/(d3*d2)-f/d1; 2<AQ{
c
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); ?01ru5ys/o
C=d3/d2-f/d1; ~0Zy$L/D
:Z83*SPc
a1=(-B-sqrt(B^2-4*A*C))/(2*A); !<X/_+G\
a2=d3/(a1*f); tv]9n8v
b2=a1*(1-a2)*f/d2;
7(o:J
b1=(1-a1)*f/(d1*b2); *N6sxFs
(Bpn9}F-V.
%曲率半径 DwTVoCC
Gsm.a
R1=2*f/(b1*b2) k@>(sXs
R2=2*a1*f/(b2*(1+b1)) l Yj$3
R3=2*a1*a2*f/(1+b2) XN3'k[
XF@34b5(
A1=b2^3*(a1-1)*(1+b1)^3; 0juP"v$C>
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; |a'$v4dCF
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; T7Ju7_q}
:#N]s
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 01]W@\(
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); 1@~ 1vsJ
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); I-Hg6WtB
#nj;F'O](
CB=[C1 B1;C2 B2]; Tx'anP
AB=[A1 B1;A2 B2]; .^ba*qb`{
AC=[A1 C1;A2 C2]; N6*FlG-
:/>Zky8,k
%二次系数 !rZZ/M"i
OU?.}qc<wE
k2=-(det(CB)/det(AB)); wRX#^;O9?>
k3=-(det(AC)/det(AB)); h`p=~u +
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 @v\8+0
k2=k2 .rl Lt5b%
k3=k3 "837b/>/
? a/\5`gnN
end