Taste of Cinema's 10 Best Movies With Unusual Aspect Ratios

"The term 'aspect ratio' describes the mathematical relation between the horizontal side of the screen image and the vertical one. In cinema, this proportion was initially determined by the physical structure of film stock, which had four perforations in height; for many years this was the standard, and it was only slightly modified in 1932 when the addition of the sound stripe to the film roll brought the Academy of Motion Picture Arts and Sciences to standardize the so-called 'Academy ratio' of 1.37:1. With time, many filmmakers and distributors started to experiment with different kinds of film and ratios; the direction of these experimentations was towards widescreen projection. The choice of the aspect ratio is a primary step in giving a film its identity, and even today many directors choose different variations of ratios for artistic purposes. Here are ten other movies which adopted unusual and experimental aspect ratios in a particularly notable way." tasteofcinema.com