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？ ]KLj Qpd
一下是我的Prescription Data数据： )Q&:$]
GENERAL LENS DATA: r1JKTuuo
Kcl>uAgU
Surfaces : 3 ^ JJ*pT:
Stop : 1 E0Ig/
j
System Aperture : Object Space NA = 0.12 _}{C?611c
Glass Catalogs : Schott -7$7TD`'7
Ray Aiming : Paraxial Reference, Cache On Q4}2-}|
X Pupil shift : 0 d1vC-n
N
Y Pupil shift : 0 C.Y]PdY yj
Z Pupil shift : 0 @=isN'>] O
Apodization : Gaussian, factor = 1.00000E+000 Vw<=& w #K
************************************************************* Nz\=M|@(#
Effective Focal Length : 1.639158 (in air at system temperature and pressure) o-yZ$+V
Effective Focal Length : 1.639158 (in image space) 2LEf"FH0~
************************************************************* gW$X8ECX
Back Focal Length : -1.061568 \O m.pOz
Total Track : 4.318 5@F1E8T
Image Space F/# : 3.417255 C`%cPl
Paraxial Working F/# : 2.950535 ][I}yOD70
Working F/# : 2.961912 x?y)a9&Hm
Image Space NA : 0.1670788 h/mmV:v
Object Space NA : 0.12 TW7jp
Stop Radius : 0.2398355 :l'61$=
Paraxial Image Height : 0 mi`!'If0)
Paraxial Magnification : 0 48Vmz
Entrance Pupil Diameter : 0.4796709 )t0Y-),vA
Entrance Pupil Position : 0 .m9s+D]fI
Exit Pupil Diameter : 2.511155 GNgPf"}K
Exit Pupil Position : 7.420935 *G7/
Field Type : Angle in degrees ! c4pFQ B
Maximum Field : 0 6X$]d^)h{
Primary Wave : 1.31 q5p!Ty"
Lens Units : Millimeters ^M0e 0
Angular Magnification : 0 `07xW*K(\Y
)Gi!wm>zvN
Fields : 1 & w&JE]$ 5
Field Type: Angle in degrees ?h2!Z{[0b
# X-Value Y-Value Weight 7y""#-}V[r
1 0.000000 0.000000 1.000000 \_bk+}WJ]s
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Vignetting Factors wrSw> sE"
# VDX VDY VCX VCY VAN 'avzESe~'
1 0.000000 0.000000 0.000000 0.000000 0.000000 3WHj|ENW
|_x U{Pu
Wavelengths : 1 p2cwW/^V
Units: Microns lyc
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# Value Weight 1MkQ$v7m
1 1.310000 1.000000 }1kT0*'L
qRlS^=#
CARDINAL POINTS: ue"?n2
Ka%u#};
Object space positions are measured with respect to surface 1. __dSEOGoe
Image space positions are measured with respect to the image surface. HRS^91aK
The index in both the object space and image space is considered. /@h)IuW
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Object Space Image Space l|TiUjs
W = 1.310000 (Primary) OHTJQ5%zL
************************************************************ OE[| 1?3
Focal Length : -1.639015 1.639015 SM;UNIRVE
************************************************************ _Vu l9=
Focal Planes : 0.313078 -1.159568 A c{"$P`
Principal Planes : 1.952094 -2.798584 4HG;v|Cp
Anti-Principal Planes : -1.325937 0.479447 G0 * >S`:4
Nodal Planes : 1.952094 -2.798584 {"k}C2K'r
Anti-Nodal Planes : -1.325937 0.479447 .K%1{`.|
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我用*号，标出了需要注意的地方，请高手指教！
