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？ Fa #5a'}I
一下是我的Prescription Data数据： |F q\%y#
GENERAL LENS DATA: lJS3*x#H
a% /x
Surfaces : 3 *WWDwY@!u
Stop : 1 G('UF1F
System Aperture : Object Space NA = 0.12 Q7mikg=1-
Glass Catalogs : Schott %GM CyT
Ray Aiming : Paraxial Reference, Cache On z`]:\j'O3"
X Pupil shift : 0 v.g Ai6
Y Pupil shift : 0 CXi:?6OG
Z Pupil shift : 0 b,(<74!#8
Apodization : Gaussian, factor = 1.00000E+000 <LX-},?P
************************************************************* N[yS heT
Effective Focal Length : 1.639158 (in air at system temperature and pressure) IhK%.B{ dZ
Effective Focal Length : 1.639158 (in image space) 98 UI]? 4
************************************************************* 8>X] wA6q
Back Focal Length : -1.061568 &u (pBr8B
Total Track : 4.318 y+Bxe )6^V
Image Space F/# : 3.417255 g12.4+
Paraxial Working F/# : 2.950535 @?t+O'&
Working F/# : 2.961912 tS,AS,vy]
Image Space NA : 0.1670788 1IK* j +%
Object Space NA : 0.12 v <| iN#
Stop Radius : 0.2398355 8N4E~*>C
Paraxial Image Height : 0 Sx X
Paraxial Magnification : 0 ?|n @ %'
Entrance Pupil Diameter : 0.4796709 w@,v$4Oi
Entrance Pupil Position : 0 \e%%ik,<
Exit Pupil Diameter : 2.511155 }rWg ']
Exit Pupil Position : 7.420935 e
:@PI(P!
Field Type : Angle in degrees x5M+\?I< 2
Maximum Field : 0 W"tGCnd
Primary Wave : 1.31 F-D$ Y?m
Lens Units : Millimeters ~!/a gLwY
Angular Magnification : 0 }=u#,nDl>$
i=V2
/W}
Fields : 1 +zl [C
Field Type: Angle in degrees xhMAWFg|
# X-Value Y-Value Weight bP uO~#iN~
1 0.000000 0.000000 1.000000
M{YN^
Kk
;i ?R+T
Vignetting Factors bj?=\u
# VDX VDY VCX VCY VAN J!@R0U.
1 0.000000 0.000000 0.000000 0.000000 0.000000 Rq|] KAN
m RC
Wavelengths : 1 (!9+QXb'
Units: Microns _k(&<1i
# Value Weight [4;G^{
bX
1 1.310000 1.000000 zV"'-iP
?& VKZSo
CARDINAL POINTS: YuoIhT
7{NH;U t
Object space positions are measured with respect to surface 1. +IlQZwm~
Image space positions are measured with respect to the image surface. Na+h+wD.D
The index in both the object space and image space is considered. dl3 }\o_
8<=sUO
Object Space Image Space C8}
;,
W = 1.310000 (Primary) fC$@m_-KD
************************************************************ Lw<.QMN%f
Focal Length : -1.639015 1.639015 CKC5S^Mx
************************************************************ OLqynY
Focal Planes : 0.313078 -1.159568 yI%q3lB}^
Principal Planes : 1.952094 -2.798584 XS.*CB_m_
Anti-Principal Planes : -1.325937 0.479447 3L{)Y`P
Nodal Planes : 1.952094 -2.798584 g3(LDqB'.
Anti-Nodal Planes : -1.325937 0.479447 y-"QY[
U+!&~C^y
我用*号，标出了需要注意的地方，请高手指教！
