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? 8{QN$Qkn
一下是我的Prescription Data数据: -'ff0l
GENERAL LENS DATA: '*K}$+l
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Surfaces : 3 N,N9K
Stop : 1 mOm_a9ML
System Aperture : Object Space NA = 0.12 AG?cI@',
Glass Catalogs : Schott h$3o]~t
Ray Aiming : Paraxial Reference, Cache On f'501MJu
X Pupil shift : 0 };{V]f 0
Y Pupil shift : 0 53>y<
Z Pupil shift : 0 aPD4S&"Q
Apodization : Gaussian, factor = 1.00000E+000 6@ B_3y
************************************************************* k0[b4cr`
Effective Focal Length : 1.639158 (in air at system temperature and pressure) y>4r<YZQ
Effective Focal Length : 1.639158 (in image space) `r?xo7
************************************************************* NrQGoAOw
Back Focal Length : -1.061568 Ll4/P[7:?
Total Track : 4.318 "N'|N.,
Image Space F/# : 3.417255 BCy#
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Paraxial Working F/# : 2.950535 1>5l(zK!9
Working F/# : 2.961912 s.VtmAH
Image Space NA : 0.1670788 M.b1=Y
Object Space NA : 0.12 ;h|zNx0
Stop Radius : 0.2398355 H?\b
Paraxial Image Height : 0 A5U//y![{
Paraxial Magnification : 0 \q2:1X|
Entrance Pupil Diameter : 0.4796709 cOz8YVR-
Entrance Pupil Position : 0 -|Z[GN:
Exit Pupil Diameter : 2.511155 )w3?o#@
Exit Pupil Position : 7.420935 Y8$Y]2
Field Type : Angle in degrees b@6hGiqx
Maximum Field : 0 ,0j7qn@tm
Primary Wave : 1.31 _c[Bjip
Lens Units : Millimeters g"c |%3
Angular Magnification : 0 xLZJ[:gr
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Fields : 1 x}\_o< d
Field Type: Angle in degrees ^tp6G
# X-Value Y-Value Weight 1#]0\Y(
1 0.000000 0.000000 1.000000 4gyC?#Ede
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Vignetting Factors tsGt,]O30
# VDX VDY VCX VCY VAN hh%fmc
1 0.000000 0.000000 0.000000 0.000000 0.000000 {lNvKm)w
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Wavelengths : 1 }02#[vg
Units: Microns aHhr_.>X
# Value Weight kfb*|
1 1.310000 1.000000 no~Yet+<"
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CARDINAL POINTS: WR5@S&fU`
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Object space positions are measured with respect to surface 1. 397IbZ\
Image space positions are measured with respect to the image surface. ,}8|[)"
The index in both the object space and image space is considered. whoM$ &
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Object Space Image Space 9YMD[H\}V
W = 1.310000 (Primary) CP5vo-/)-
************************************************************ \my5E\
Focal Length : -1.639015 1.639015 Rix|LKk{
************************************************************ Y.7iKMp(
Focal Planes : 0.313078 -1.159568 '3<AzR2
Principal Planes : 1.952094 -2.798584 M/Twtq-`H
Anti-Principal Planes : -1.325937 0.479447 |8m2i1XG
Nodal Planes : 1.952094 -2.798584 /Soc,PjZ
Anti-Nodal Planes : -1.325937 0.479447 %1\MW+
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我用*号,标出了需要注意的地方,请高手指教!