127mm f/9.4 OTA Construction - 127mm f/9.4 Optical Ray Trace (Objective end)
 

The Ray Trace for the 127mm f/9.4 "BGRP" Refractor (objective end)... (Click for enlarged view)

 

This is a closer look at the objective end of the ray trace. Not the best of images, but I think readers will get the point. If not, I can be of help by sending my an email to the address shown below: