[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 Jxe5y3* (  
Title: A SIMPLE COOKE TRIPLET.
Units are Millimeters.
Wavelength: 0.550000 μm S[9b I&C  
Type: Double Bounces v7@"9Uw}  
The '****' denotes a possible internal focus l]&A5tz3  
RMS is the RMS spot radius on axis at the primary wavelength. z6M5'$\y  
RMS values of 0.00 indicate that an accurate RMS m[y~-n  
could not be computed, usually due to ray errors.
This analysis may be inaccurate if the system is rMJ@oc  
non-rotationally symmetric or uses non-standard surfaces.
Ghost reflection off surface 2 then 1. (GH002001.ZMX) gh[q*%#  
Surf     Marginal          F/#          RMS 'q;MhnU+  
   1  5.0000E+000     5.737068  3.5355E+000 vgtAJp+p*  
   2  4.7160E+000     4.595701  3.3570E+000 i03S9J
 
   1  4.3614E+000     0.990012  3.1277E+000 um$U3'0e  
   2  2.7155E+000     0.607262  1.9876E+000 dkEbP*yXg  
   3 -2.2309E+000     0.916280  2.6065E+000 <`Fl I
go  
   4 -2.7766E+000     0.514753  0.0000E+000 r0k:RJP  
   5 -7.3909E+000     0.888038  0.0000E+000 ~DxuLk6 s  
   6 -9.0530E+000     0.823473  0.0000E+000 l[5** ?#  
   7 -3.4681E+001     0.823473  0.0000E+000 "wV  
Marginal ray height    :       -34.6809 c%,ky$'18  
Chief ray height       :       -24.8107 NMw5ixl  
Distance to ghost pupil:       -50.9613 sV5k@1Y  
Distance to ghost focus:       -57.1176 KQ9w>!N[  
Effective focal length :         8.2347