Clip 1: WinLens3D - Ray Fan Analysis Graphs...

This clip describes ray fans and how they are used in lens analysis.

Having defined a ray fan we look at various plots
- Transverse ray aberrations [TRA]
- Optical path differences [OPD]
- Longitudinal aberrations
- Offence against the Sine condition/Isoplanetism
and see how they show the ray fans anslysis in different ways