Use lights in your scene to generate procedural lens flares with built-in 3D occlusions.
With lens flares in Action, you can control:
Lens Flares in Action are comprised of a Lens Flare object, attached to one or more Border FX objects, and any number of texture components, such as irises, streaks, and glows. To help you get accustomed to working with lens flares, a preset with typical settings is loaded when you first add a lens flare object to your scene.
You can attach multiple lens flares to a light, and multiple lights can attach to a lens flare.