The Cinematography series with cinematographer and professor Bill Dill, ASC, covers useful, practical information that can help aspiring cinematographers bring their motion pictures to life. Part 3 is all about leveraging tools and hands-on creative techniques to create a more cinematic look in your work. Here, Bill covers the different types of lights, describing the unique characteristics, advantages, and disadvantages of each one. He familiarizes you with the basic principles of optics and the circle of confusion. He also shows you how to determine which precise area in front of the lens is in focus.