[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 avy@)iO7  
Title: A SIMPLE COOKE TRIPLET.
Units are Millimeters.
Wavelength: 0.550000 μm >=K~*$&>  
Type: Double Bounces :V~ AjV  
The '****' denotes a possible internal focus hka`STK{  
RMS is the RMS spot radius on axis at the primary wavelength. Wxzh'c#\8  
RMS values of 0.00 indicate that an accurate RMS Q`!<2i;  
could not be computed, usually due to ray errors.
This analysis may be inaccurate if the system is siz:YRur  
non-rotationally symmetric or uses non-standard surfaces.
Ghost reflection off surface 2 then 1. (GH002001.ZMX) (nAg ~i  
Surf     Marginal          F/#          RMS Y/]J0D  
   1  5.0000E+000     5.737068  3.5355E+000 1 EwCF  
   2  4.7160E+000     4.595701  3.3570E+000 Z+agS8e(  
   1  4.3614E+000     0.990012  3.1277E+000 g:2\S=  
   2  2.7155E+000     0.607262  1.9876E+000 ;nw}x4Y[  
   3 -2.2309E+000     0.916280  2.6065E+000 K`8$+JDP+  
   4 -2.7766E+000     0.514753  0.0000E+000 GsiT!OP]y  
   5 -7.3909E+000     0.888038  0.0000E+000 M5c *vs  
   6 -9.0530E+000     0.823473  0.0000E+000 =VGRM#+D  
   7 -3.4681E+001     0.823473  0.0000E+000 PMZ*ECIJU  
Marginal ray height    :       -34.6809 :wz]d ~)  
Chief ray height       :       -24.8107 8V@\$4@b!#  
Distance to ghost pupil:       -50.9613 plgiQr #  
Distance to ghost focus:       -57.1176 FF~VV<a  
Effective focal length :         8.2347