After going over all the slides and now back to this one, I still don't understand how multi-layers of the lens can fix the issue of non-convergent rays. Do the lens get averaged or do the rays somehow get corrected so that we get an approximation of the focal point?
After going over all the slides and now back to this one, I still don't understand how multi-layers of the lens can fix the issue of non-convergent rays. Do the lens get averaged or do the rays somehow get corrected so that we get an approximation of the focal point?