%无中间像,焦距输入为负数 \=TWYj_Ah
function sjr=nfdre(~) e=|F(iW
:6qUSE
%系统焦距及各镜间距输入,间距取负正负 `1DU b7<
qM+!f2t
f=input('f:'); 9p!d Q x
d1=input('d1:'); *NKC\aV`0
d2=input('d2:'); a .B\=3xn
d3=input('d3:'); N$L&|4r
K.c6Rg
A=f^2/(d3*d2)-f/d1; 9~*_(yjF
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); jnx+wcd
C=d3/d2-f/d1; GN8`xR{J*
D<$j`r
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 E9
:|8#b
a2=d3/(a1*f);%α2 4?*`:
b2=a1*(1-a2)*f/d2;%β2 "y3dwSS
b1=(1-a1)*f/(d1*b2);%β1 5[0l08'D
9e|{z9z[l
,DW0A//
%曲率半径 70I4-[/z[d
M<hs_8_*
R1=2*f/(b1*b2) w96j,rEC
R2=2*a1*f/(b2*(1+b1)) -bIpmp?
R3=2*a1*a2*f/(1+b2) RJ7/I/yD|
cviN$oL
A1=b2^3*(a1-1)*(1+b1)^3; 9^=t@
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; FeincZ!M
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 8O}A/*1FJ
'3Y0D1`v
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); J/H#d')c
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); '8((;N|I^
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); 8M5!5Jzv
()rx>?x5
CB=[C1 B1;C2 B2]; QvT-&|
AB=[A1 B1;A2 B2]; *U5>j#,
AC=[A1 C1;A2 C2]; M2;(+8 b
N:sECGS,
%非球面系数 }(hYG"5
k2=-(det(CB)/det(AB)); ~]D\&D9=?
k3=-(det(AC)/det(AB)); "m\UqQGX
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 4jue_jsle
k2=k2 q#':aXcv"
k3=k3 "|~B};|MFF
1&>nL`E[3
end Iu)(Huv
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%有中间像,焦距输入为正数 WhVmycdv
R*c0NJF
function sjr=yfdre(~) c Gaz$=/
T(fR/~:z?
f=input('f:'); 9_CA5?y$:
d1=input('d1:'); f T+n-B
d2=input('d2:'); V.G9J!?<P
d3=input('d3:'); D ;T r
Vzv.e6_
A=f^2/(d3*d2)-f/d1; `Mh<S+/
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); IQ27FV|3
C=d3/d2-f/d1; BIB>U W
(J) Rs`_
a1=(-B-sqrt(B^2-4*A*C))/(2*A); 7;#dX~>@{
a2=d3/(a1*f); 9"u@<]
b2=a1*(1-a2)*f/d2; ;@ ! d!&
b1=(1-a1)*f/(d1*b2); h0EGhJs
H:nu>pzt
%曲率半径 @|*Z0bn'
a[{QlD^D
R1=2*f/(b1*b2) 1Qc(<gM
R2=2*a1*f/(b2*(1+b1)) ne%OTr4dD
R3=2*a1*a2*f/(1+b2) yK2*~T,6@
E'kQ
A1=b2^3*(a1-1)*(1+b1)^3; 3B_} :
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; Y.hH
fSp
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; {G*:N[pJp
PXQ9P<m
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 4~D>oNx4
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); MBTt'6M
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); cX]{RVZo-/
-gX2{dW
CB=[C1 B1;C2 B2];
!NY^(^
AB=[A1 B1;A2 B2]; PQI,vr'R
AC=[A1 C1;A2 C2]; Q*J ~wuE2
qt&"cw
%二次系数 ^OcfM_4pN
}4ghT(C}$
k2=-(det(CB)/det(AB)); D;8V{Hs
k3=-(det(AC)/det(AB)); n|`):sP
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 {<{G 1y~
k2=k2 aFm]?75
k3=k3 :?XHZ
V6!73 iY
end