ZEMAX中priscription data会给出系统的许多有用的数据，其中包括effective focal length的数据和主平面位置的数据。但是我发现直接给出的effective focal length数据和根据其定义结合主平面的数据算出来的结果不一致，这时怎么回事？ K02./ut-
一下是我的Prescription Data数据： ;P_Zen
GENERAL LENS DATA: MouYZI)
Fmu R(f=
Surfaces : 3 BSz\9 eT
Stop : 1 ICi- iX
System Aperture : Object Space NA = 0.12 7~',q"4P/_
Glass Catalogs : Schott -4]6tt'G
Ray Aiming : Paraxial Reference, Cache On D7%89qt
X Pupil shift : 0 4u&doSXR
Y Pupil shift : 0 Rg6>6.fk*
Z Pupil shift : 0 mf3 G$=[
Apodization : Gaussian, factor = 1.00000E+000 Cur) |
************************************************************* s{/ nO)
Effective Focal Length : 1.639158 (in air at system temperature and pressure) 5~kf:U%~
Effective Focal Length : 1.639158 (in image space) rT#QA=YB
************************************************************* R
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Back Focal Length : -1.061568 o+na` ed
Total Track : 4.318 CUG6|qu
Image Space F/# : 3.417255 ~i
\69q%
Paraxial Working F/# : 2.950535 ZoUf Q!2*
Working F/# : 2.961912 I /tzo(r
Image Space NA : 0.1670788 ()?)Ybqss
Object Space NA : 0.12 T \A uL
Stop Radius : 0.2398355 84{<]y
Paraxial Image Height : 0 Y /+ D4^ L
Paraxial Magnification : 0 ~ce.&C7cR
Entrance Pupil Diameter : 0.4796709 YmwVa
s
Entrance Pupil Position : 0 OLi;/(g
Exit Pupil Diameter : 2.511155 ]-6 G'i?
Exit Pupil Position : 7.420935 "7 l}X{b
Field Type : Angle in degrees 0Zq" -
Maximum Field : 0 My
^pQ]@
Primary Wave : 1.31 U*b SM8)L*
Lens Units : Millimeters g R6:J
Angular Magnification : 0 "mOoGy, (
j7W_%Yk|E
Fields : 1 ;)kBJ @
Field Type: Angle in degrees }'{(rU
# X-Value Y-Value Weight vhg4E80Kr
1 0.000000 0.000000 1.000000 `i{ :mio
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Vignetting Factors o ).pF">jh
# VDX VDY VCX VCY VAN FYj3 !
H
1 0.000000 0.000000 0.000000 0.000000 0.000000 4qMHVPJv\
jm?mO9p~
Wavelengths : 1 M|Se| *w
Units: Microns ~}5(J,1!
# Value Weight YK- R|z6K
1 1.310000 1.000000 <L`R!}
Vg3&:g5 /
CARDINAL POINTS: O+yR+aXr'8
/j^zHrL N
Object space positions are measured with respect to surface 1. k.0C*3 '
Image space positions are measured with respect to the image surface. ANNL7Z3C
The index in both the object space and image space is considered. A~6 Cs
DXiD>1( q
Object Space Image Space 4S=lO?\"A
W = 1.310000 (Primary) Hy6Np62
************************************************************ w.3R1}R
Focal Length : -1.639015 1.639015 &yN<@.
************************************************************ Xnh1pwDhe<
Focal Planes : 0.313078 -1.159568 8 2qe|XD4p
Principal Planes : 1.952094 -2.798584 ALv\"uUNu+
Anti-Principal Planes : -1.325937 0.479447 V]AL'}(
0
Nodal Planes : 1.952094 -2.798584 ob;oxJ@[c
Anti-Nodal Planes : -1.325937 0.479447 9f @)EKBK
V1fPH;
我用*号，标出了需要注意的地方，请高手指教！
