Have you ever wondered why old movies are square, while modern epics have massive black bars on the top and bottom of your TV? The aspect ratio is one of the most powerful, yet least understood, tools in a director's arsenal.
From the claustrophobia of 4:3 (1.33:1) to the sweeping, epic scale of 2.39:1 Cinemascope, we break down exactly how the frame dimensions change the way you perceive a story.