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？ s94 *uZ(C/
一下是我的Prescription Data数据： S9{A}+"K
GENERAL LENS DATA: H'JU5nE
80ox$ U
Surfaces : 3 OJd/#KFm
Stop : 1 f !#+cM
System Aperture : Object Space NA = 0.12 l))Q/8H
Glass Catalogs : Schott 2$ &B@\WY
Ray Aiming : Paraxial Reference, Cache On : _tt9J
X Pupil shift : 0 S@g(kIo]
Y Pupil shift : 0 ~GcWG4
Z Pupil shift : 0 I _ gE`N
Apodization : Gaussian, factor = 1.00000E+000 T2 S fB s
************************************************************* |B^Mj57DO
Effective Focal Length : 1.639158 (in air at system temperature and pressure) LM+d3|gSV
Effective Focal Length : 1.639158 (in image space) tt#dO@G#Fe
************************************************************* QZtQogNy#
Back Focal Length : -1.061568 ~d].<Be
Total Track : 4.318 S8Y\@C?5
Image Space F/# : 3.417255 #?V rt, n
Paraxial Working F/# : 2.950535 [h8s0
Working F/# : 2.961912 `<7!Rh,tS^
Image Space NA : 0.1670788 v+I-*,R
Object Space NA : 0.12 =~k
c7f{
Stop Radius : 0.2398355 ""Da 2Md
Paraxial Image Height : 0 z:@:B:E
Paraxial Magnification : 0 X ^Z! !KTH
Entrance Pupil Diameter : 0.4796709 .r2*tB).
Entrance Pupil Position : 0 *yaS^k\
Exit Pupil Diameter : 2.511155 1`YU9?
Exit Pupil Position : 7.420935 JXM]tV
Field Type : Angle in degrees ,2^4"gIl
Maximum Field : 0 xDGS`o_w_
Primary Wave : 1.31 +[<YE
Lens Units : Millimeters y)U ?.@
Angular Magnification : 0 4l+!Z, b
.] sJl
Fields : 1 76wNZv) 9
Field Type: Angle in degrees 7 @
)
# X-Value Y-Value Weight wD=] U@t`,
1 0.000000 0.000000 1.000000 Ml7
(< J
u8]FJQ*\6+
Vignetting Factors ]"lB!O~
# VDX VDY VCX VCY VAN u '7h(1@
1 0.000000 0.000000 0.000000 0.000000 0.000000 ?oFd%|I
ATl?./T u
Wavelengths : 1 Y}1c>5{bE
Units: Microns xEp?|Q$
# Value Weight fEX=csZ86
1 1.310000 1.000000 o87kF!x
FO5a<6
CARDINAL POINTS: Aeb(b+=
-cM1]soT
Object space positions are measured with respect to surface 1. p,goY F??
Image space positions are measured with respect to the image surface. MDU#V
The index in both the object space and image space is considered. B*,)@ h
V`1,s~" q
Object Space Image Space ;~EQS.Qp
W = 1.310000 (Primary) D]]wJQU2
************************************************************ @kqxN\DE
Focal Length : -1.639015 1.639015 !: ^q_q4
************************************************************ L%T(H< G
Focal Planes : 0.313078 -1.159568 P"8Ix
Principal Planes : 1.952094 -2.798584 8 o$rF7.-
Anti-Principal Planes : -1.325937 0.479447 yQE'!m
Nodal Planes : 1.952094 -2.798584 a:f P
Anti-Nodal Planes : -1.325937 0.479447 l6ym <V(1p
W n'a'
我用*号，标出了需要注意的地方，请高手指教！
