[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 3}08RU7[!  
Title: A SIMPLE COOKE TRIPLET.
Units are Millimeters.
Wavelength: 0.550000 μm AnRlH  
Type: Double Bounces -oU@D  
The '****' denotes a possible internal focus Po1hq2-U8  
RMS is the RMS spot radius on axis at the primary wavelength. 9X!ET!  
RMS values of 0.00 indicate that an accurate RMS DNmb[  
could not be computed, usually due to ray errors.
This analysis may be inaccurate if the system is _~juv&  
non-rotationally symmetric or uses non-standard surfaces.
Ghost reflection off surface 2 then 1. (GH002001.ZMX) `GPQ((la  
Surf     Marginal          F/#          RMS _B}9f  
   1  5.0000E+000     5.737068  3.5355E+000 :lNg:r$4  
   2  4.7160E+000     4.595701  3.3570E+000 cvhlRI%6  
   1  4.3614E+000     0.990012  3.1277E+000 f(!E!\
&n^  
   2  2.7155E+000     0.607262  1.9876E+000 FX7M4t#<  
   3 -2.2309E+000     0.916280  2.6065E+000 \xF;{}v  
   4 -2.7766E+000     0.514753  0.0000E+000 q1H~ |1  
   5 -7.3909E+000     0.888038  0.0000E+000 w nWgy4:  
   6 -9.0530E+000     0.823473  0.0000E+000 ]Qd{ '}+  
   7 -3.4681E+001     0.823473  0.0000E+000 %Nl`~Kz9U  
Marginal ray height    :       -34.6809 RV}GK L>gn  
Chief ray height       :       -24.8107 r)Or\HL  
Distance to ghost pupil:       -50.9613 <]~ZPk[  
Distance to ghost focus:       -57.1176 4ffU;6~l'  
Effective focal length :         8.2347