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？ Y:f "Zx
一下是我的Prescription Data数据： d$DNiJ ,
GENERAL LENS DATA: $?x;?wS0V
=CBY _
Surfaces : 3 XT2:XWI8
Stop : 1 7]\_7L|>]
System Aperture : Object Space NA = 0.12 'uy\vR&Pz
Glass Catalogs : Schott 2bIP.M2Fs
Ray Aiming : Paraxial Reference, Cache On 8v{0=9,Z
X Pupil shift : 0 SZ$~ zT;c
Y Pupil shift : 0 B \WIoz;'
Z Pupil shift : 0 c+dmA(JC
Apodization : Gaussian, factor = 1.00000E+000 i&K-|[3{g
************************************************************* .VD:FFkW
Effective Focal Length : 1.639158 (in air at system temperature and pressure) LVHIQ9
Effective Focal Length : 1.639158 (in image space) 7-#R[8S
************************************************************* prypo.RI
Back Focal Length : -1.061568 RaT.%:CRm
Total Track : 4.318 dZ6\2ok+
Image Space F/# : 3.417255 AFM Ip^F
Paraxial Working F/# : 2.950535 X(r$OZ
Working F/# : 2.961912 "W71 #n+ [
Image Space NA : 0.1670788 3lh^maQ]
Object Space NA : 0.12 0NB5YQ8_]
Stop Radius : 0.2398355 "UM *(&
Paraxial Image Height : 0 9nGS"E l{
Paraxial Magnification : 0 i>elK <R4
Entrance Pupil Diameter : 0.4796709 ]h3{M Tr/
Entrance Pupil Position : 0 {OIktG2gZ
Exit Pupil Diameter : 2.511155 s?j | |
Exit Pupil Position : 7.420935 [B _ (,/?
Field Type : Angle in degrees au+6ookT
Maximum Field : 0 wC&+nS1
Primary Wave : 1.31 1r:i'cW h
Lens Units : Millimeters mMt~4(5
Angular Magnification : 0 +uq P :z
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Fields : 1 ;o#wK>pk%M
Field Type: Angle in degrees +.3,(l
# X-Value Y-Value Weight fkHCfcU
1 0.000000 0.000000 1.000000 KtMD?
(R{|* :K P
Vignetting Factors ]r&dWF
# VDX VDY VCX VCY VAN gH
u!~l
1 0.000000 0.000000 0.000000 0.000000 0.000000 -|cB7 P
7g% .:H =
Wavelengths : 1 h\<; N*Xi
Units: Microns _N1UL?
# Value Weight ZHN}:W/p
1 1.310000 1.000000 e$Npo <u
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CARDINAL POINTS: i
w(4!,4~
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Object space positions are measured with respect to surface 1. p E56CM
Image space positions are measured with respect to the image surface. sry`EkS
The index in both the object space and image space is considered. )4O* D92
p= jIDM'
Object Space Image Space Jc9BZ`~i
W = 1.310000 (Primary) e b*w$|y6"
************************************************************ <&m
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Focal Length : -1.639015 1.639015 x6iT"\MO
************************************************************ _ry7 [/)
Focal Planes : 0.313078 -1.159568 R64 /m9
Principal Planes : 1.952094 -2.798584 d{FD.eI 0
Anti-Principal Planes : -1.325937 0.479447 -;s-*$I
Nodal Planes : 1.952094 -2.798584 VGL!)1b
Anti-Nodal Planes : -1.325937 0.479447 i-W! `1LH'
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我用*号，标出了需要注意的地方，请高手指教！
