This is a first post of an introduction to optics series and it explain how to create a 2D ray tracing model for a spherical mirror. This section deals with the creation and charting of the mirror using a parametric equation for a circle. [sociallocker][/sociallocker] Introduction to Geometrical Optics – a 2D ray tracing Excel model for spherical mirrors – Part 1… Read More... "Introduction to Geometrical Optics – a 2D ray tracing Excel model for spherical mirrors – Part 1"