The proportions of movies’ height and width have changed several times over the course of cinema history, but, for practical reasons (projectionists don’t like changing equipment all the time), at any given time the ratios have been standardized. Until the rise of digital projection, that is. Now it’s fairly easy for filmmakers to play with aspect ratios, and that’s what they’re doing. Ben Kenigsberg looks at four examples from this fall’s releases. – The New York Times