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？ 55fC ~J<
一下是我的Prescription Data数据： 5yz(>EVH
GENERAL LENS DATA: N=7pK&NHSG
M "94#.dKK
Surfaces : 3 _+E5T*dk
Stop : 1 , JQp'e
System Aperture : Object Space NA = 0.12 1waTTT?"Ho
Glass Catalogs : Schott |mw.qI|
Ray Aiming : Paraxial Reference, Cache On 4v{o
X Pupil shift : 0 {fjdr
Y Pupil shift : 0 mmk=97
Z Pupil shift : 0 jIyB
Apodization : Gaussian, factor = 1.00000E+000 OL^l 3 F
************************************************************* fNW"+ <W
Effective Focal Length : 1.639158 (in air at system temperature and pressure) }|8_9Rx0*
Effective Focal Length : 1.639158 (in image space) SR |`!
************************************************************* ] [p>Y>:b-
Back Focal Length : -1.061568 =h5H~G5AT
Total Track : 4.318 4J/}]Dr5
Image Space F/# : 3.417255 7Bd- !$j+
Paraxial Working F/# : 2.950535 IvtJ0
Working F/# : 2.961912 )x=1]T>v"'
Image Space NA : 0.1670788 fy@<&U5rg
Object Space NA : 0.12 3!|;iJRH
Stop Radius : 0.2398355 +Z !)^j
Paraxial Image Height : 0 cmU1!2.1E
Paraxial Magnification : 0 7 *`h/
Entrance Pupil Diameter : 0.4796709 =* c7i]@}
Entrance Pupil Position : 0 (<xfCH
F5
Exit Pupil Diameter : 2.511155 gL *>[@RO
Exit Pupil Position : 7.420935 SPY|K
Field Type : Angle in degrees U`NjPZe5^
Maximum Field : 0 VoWNW
Primary Wave : 1.31 9\ mLW"
Lens Units : Millimeters -7@/[9Gf`:
Angular Magnification : 0 :fZ}o| t7
9Hb6nm
Fields : 1 n%o5kV x0
Field Type: Angle in degrees 8"8t-E#?
# X-Value Y-Value Weight #(N+(():
1 0.000000 0.000000 1.000000 !W}9no
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Vignetting Factors P"IPcT%Ob%
# VDX VDY VCX VCY VAN 'm FqE n
1 0.000000 0.000000 0.000000 0.000000 0.000000 gv- xm
3yU.& k
Wavelengths : 1 1Vrh4g.l
Units: Microns v50bdj9}k
# Value Weight v,-HU&/*B
1 1.310000 1.000000 uXJ;A *
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CARDINAL POINTS: R6kD=JY/!
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Object space positions are measured with respect to surface 1. QSdHm
Image space positions are measured with respect to the image surface. 7e|s
wJ>4
The index in both the object space and image space is considered. Mb|a+,:>3
CUBEW~X}M
Object Space Image Space 1Z+8r
W = 1.310000 (Primary) g9}DnCT*.
************************************************************ 7byK{{/z
Focal Length : -1.639015 1.639015 vgH3<pDiU6
************************************************************ 8pIP
Focal Planes : 0.313078 -1.159568 ZojI R\ F^
Principal Planes : 1.952094 -2.798584 =S+wC N
Anti-Principal Planes : -1.325937 0.479447 d iL +:H
Nodal Planes : 1.952094 -2.798584 >~[c|ffyo/
Anti-Nodal Planes : -1.325937 0.479447 P2BWuh F
N `5,\TR2f
我用*号，标出了需要注意的地方，请高手指教！
