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？ bv:M
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一下是我的Prescription Data数据： L/Tsq=
GENERAL LENS DATA: DjLSl, Z
jK(]e iR$S
Surfaces : 3 wn 1` 9
Stop : 1 o|en"?4
System Aperture : Object Space NA = 0.12 Nh^
lC
Glass Catalogs : Schott Z:( Zy
Ray Aiming : Paraxial Reference, Cache On [[XbKg`"?
X Pupil shift : 0 wjzR 8g0bQ
Y Pupil shift : 0 h4,g pV>t
Z Pupil shift : 0 {D{'
\]+
Apodization : Gaussian, factor = 1.00000E+000 *DDqa?gQb
************************************************************* x&
a<u@[wa
Effective Focal Length : 1.639158 (in air at system temperature and pressure) 8el\M/ u{
Effective Focal Length : 1.639158 (in image space) F=g +R~F
************************************************************* eo [eN.
Back Focal Length : -1.061568 2%Mgg,/ ~
Total Track : 4.318 j+ eto'
Image Space F/# : 3.417255 j1~'[
Paraxial Working F/# : 2.950535 dy'
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Working F/# : 2.961912 mVsghDESJ)
Image Space NA : 0.1670788 (O!Q[WLS
Object Space NA : 0.12 bC h
Stop Radius : 0.2398355 -dyN
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Paraxial Image Height : 0 xJ rKH
Paraxial Magnification : 0 <| =^[' vi
Entrance Pupil Diameter : 0.4796709 2kSN<jMr
Entrance Pupil Position : 0 ^'G,sZ6'Nh
Exit Pupil Diameter : 2.511155 BcaX:C?f
Exit Pupil Position : 7.420935 6%A_PP3Z
Field Type : Angle in degrees w,x'FZD
Maximum Field : 0 UFl+|wf
Primary Wave : 1.31 H&*KpOL
Lens Units : Millimeters *Dhy a g
Angular Magnification : 0 & ;2@*#,
JwNB)e
D
Fields : 1 ^q}cy1"j"
Field Type: Angle in degrees O<>cuW(l
# X-Value Y-Value Weight Dt~ |)L+
1 0.000000 0.000000 1.000000 AuIg =-xR
1yd}F`{8UF
Vignetting Factors j3 Ps<< eA
# VDX VDY VCX VCY VAN !(i}FFn{:
1 0.000000 0.000000 0.000000 0.000000 0.000000 aovw'O\Q
I&JjyR
Wavelengths : 1 %8c2d
Units: Microns e. '6q
($3
# Value Weight cCB YM
1 1.310000 1.000000 J/xbMMb
}UzRFIcv
CARDINAL POINTS: n6C]JWG\/U
}!9KxwC(
Object space positions are measured with respect to surface 1. /v-:ca)7mI
Image space positions are measured with respect to the image surface. ZW@%>_JR]
The index in both the object space and image space is considered. =im7RgIBo
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Object Space Image Space lO/? e!$
W = 1.310000 (Primary) R>;m6Rb _
************************************************************ 7GDr H/yK
Focal Length : -1.639015 1.639015 J^gElp
************************************************************ PC)aVr?@@
Focal Planes : 0.313078 -1.159568 UAEu.AT
Principal Planes : 1.952094 -2.798584 ~]V}wZt>h
Anti-Principal Planes : -1.325937 0.479447 Gy Q9 we~
Nodal Planes : 1.952094 -2.798584 s9[5 4 7?`
Anti-Nodal Planes : -1.325937 0.479447 rHpxk
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我用*号，标出了需要注意的地方，请高手指教！
