Professionals and amateurs alike will learn how a seasoned veteran photographer uses the Nikon Creative Lighting System to tailor light to the scene. Nikon hopes that The Speed of Light will spark your imagination and help you to explore the lighting solutions and creative possibilities that today's Nikon Speedlights offer. As Joe points out, spend a little time with a Nikon SB-800 and SB-600, and they quickly become essential tools.