Overview 1 on WinLens 3D

Overview 2 on WinLens 3D

Seidel and paraxial differentials

MTF vs field and foot print diagram

edge thickness and relative illumination

offense against sine condition and isoplanatism

optimisation: variables and merit function

optimisation: variable efficencies and aspherisation guide

alternative glass finder

Ghost Analysis Foot Print

Ghost Analysis Lens Drawing

Ghost Analysis Paraxial Table

Ghost Analysis Real Ray Table