The Mental Ray Physical Sun and Sky indirect lighting system is perfect for replicating the look of natural daylight for exterior scenes, but needs a little help to transfer that light quality from the outside to the "inside" of an interior room or building within the scene. This architectural lighting situation calls for the Mental Ray Portal Light to help you achieve a balance between the interior and exterior in a scene. This tutorial by Stuart Christensen will explain how to attach and use this most versatile light. You will be amazed at what this lighting method can do for your Physical Sun and Sky simulations. Let there be "good" light! Give it a try!
