When you are creating a lighting setup for a portrait, you probably approach it from the standpoint of adding lights and modifiers until you get the result you want. However, while adding light is, of course, important, it is also crucial to know where to take it away. This is where the idea of negative fill comes in. However, negative fill can sometimes be misunderstood. This great video tutorial will show you how negative fill really works and how to use it for your portrait work.