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？ G!k&'{2
一下是我的Prescription Data数据： szMh}q"u
GENERAL LENS DATA: EP& iG%(k
64>E|w
Surfaces : 3 ln)_Jf1r
Stop : 1 s;X"E =
System Aperture : Object Space NA = 0.12 FGu:8`c9
Glass Catalogs : Schott ej>8$^y
Ray Aiming : Paraxial Reference, Cache On CE-ySIa
X Pupil shift : 0 *qYcb}
]
Y Pupil shift : 0 /J`8Gk59
Z Pupil shift : 0 7kO5hlKeo
Apodization : Gaussian, factor = 1.00000E+000 +I#4+0f
************************************************************* X0J@ c "%0
Effective Focal Length : 1.639158 (in air at system temperature and pressure) Q^/66"Z:Z
Effective Focal Length : 1.639158 (in image space) jFpXTy[>
************************************************************* T j9;".
Back Focal Length : -1.061568 AJ[g~ s't
Total Track : 4.318 OEy '8O$
Image Space F/# : 3.417255 RVy8%[Gcq
Paraxial Working F/# : 2.950535 AZz
}
Working F/# : 2.961912 BbUZ,X*Y
Image Space NA : 0.1670788 *DObtS_
6
Object Space NA : 0.12 PcC9) x
Stop Radius : 0.2398355 @FIR9XJ
Paraxial Image Height : 0 HS.3PE0^ C
Paraxial Magnification : 0 &\4AvaeA8y
Entrance Pupil Diameter : 0.4796709 PmyS6a@
Entrance Pupil Position : 0 ~ z*
Exit Pupil Diameter : 2.511155 zz 7 m\
Exit Pupil Position : 7.420935 kX."|]
Field Type : Angle in degrees JYOyz+wNd
Maximum Field : 0 . ]0B=w* Z
Primary Wave : 1.31 $Ll]h</Z
Lens Units : Millimeters D{I^_ ~-\5
Angular Magnification : 0 ]H0BUg
2+
F34
Fields : 1 }MW*xtGV
Field Type: Angle in degrees P\KP )bkC
# X-Value Y-Value Weight , fFB.q"
1 0.000000 0.000000 1.000000 nzE 4P3 C+
0vNEl3f'O
Vignetting Factors )(TaVHJR
# VDX VDY VCX VCY VAN =_I2e k
1 0.000000 0.000000 0.000000 0.000000 0.000000 qY`)W [
Mz#
&"WjF
Wavelengths : 1 #P= r P=
Units: Microns <iunDL0
# Value Weight Fx 2
KRxk
1 1.310000 1.000000 C%t~?jEK~^
Q
,30
CARDINAL POINTS: 7kx )/Rw\B
Enm#\(j
Object space positions are measured with respect to surface 1. EWNh:<F?
Image space positions are measured with respect to the image surface. 2MQgTFM9
The index in both the object space and image space is considered. 4]A2Jl
E
)dgXS/ /Y
Object Space Image Space KRQK L`}}
W = 1.310000 (Primary) _Sy-&}c+
+
************************************************************ Z0g3> iItM
Focal Length : -1.639015 1.639015 =i }
************************************************************ =($ RT
Focal Planes : 0.313078 -1.159568 wv<D%nF2|
Principal Planes : 1.952094 -2.798584 evNo(U\ C
Anti-Principal Planes : -1.325937 0.479447 A\iDK10Q$
Nodal Planes : 1.952094 -2.798584 ]#P9.c_}
Anti-Nodal Planes : -1.325937 0.479447 R nt&<| 8G
_7#Ng@#\
我用*号，标出了需要注意的地方，请高手指教！
