Ingmar Franz (duerer)

0 answers · asked @ video mark 5:57 · Lesson: Rendering Glass · Course: Fundamentals of Blender Materials and Shading

Caustics also caused by reflective materials

The light concentrations seen as "Caustics" can also be caused by reflections, for example by a piece of curved and very glossy (coated) metal.  Mirror telescopes use this physical law in order to evenly concentrate the light.