[讨论]如何分析Ghost focus generator的结果 [复制链接]

Ghost Trace Data
File : C:\Program Files\ZEMAX - Beta\Samples\Sequential\Objectives\Cooke 40 degree field.zmx 7f 7*id  
Title: A SIMPLE COOKE TRIPLET.
Units are Millimeters.
Wavelength: 0.550000 μm W;0_@!?mr}  
Type: Double Bounces -8TJ~t%w4  
The '****' denotes a possible internal focus @c.QrKSaD  
RMS is the RMS spot radius on axis at the primary wavelength. g=Qj9Z  
RMS values of 0.00 indicate that an accurate RMS `d8$OC  
could not be computed, usually due to ray errors.
This analysis may be inaccurate if the system is @o>2:D1G  
non-rotationally symmetric or uses non-standard surfaces.
Ghost reflection off surface 2 then 1. (GH002001.ZMX) xi|iV1A  
Surf     Marginal          F/#          RMS <Ojf&C^Z  
   1  5.0000E+000     5.737068  3.5355E+000 .0s/O  
   2  4.7160E+000     4.595701  3.3570E+000 _s=[z$EN&  
   1  4.3614E+000     0.990012  3.1277E+000 |
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   2  2.7155E+000     0.607262  1.9876E+000 .>H7i`1D`  
   3 -2.2309E+000     0.916280  2.6065E+000 >0~y"~M  
   4 -2.7766E+000     0.514753  0.0000E+000 5@Rf]'1B0  
   5 -7.3909E+000     0.888038  0.0000E+000 a:P% r  
   6 -9.0530E+000     0.823473  0.0000E+000 &Cdd  
   7 -3.4681E+001     0.823473  0.0000E+000 7Qq>?H -  
Marginal ray height    :       -34.6809 x#pTB.  
Chief ray height       :       -24.8107 =I*"vwc?  
Distance to ghost pupil:       -50.9613 w+ _'BU1#  
Distance to ghost focus:       -57.1176 ..n-&(c32  
Effective focal length :         8.2347