This is an exclusive course for V-ray Sketchup users. The course is provided by the youtuber MasterTuts. One can learn how to generate perfect LensFlare effect in V- Ray for sketchup.
The VRayLensEffects refers to a render effect plugin that is applied to simulate bloom and glare lens effects by filtering the rendered image through a filter kernel. To workout the result, it applied rapid multithreaded method. It can be included from the V-Ray frame buffer.
Chaos Group has published an exclusive article on VrayLensEffects, go through the following link to read it. docs.chaosgroup.com