The aspect ratio of an image is the ratio of its width to its height. It is expressed as two numbers separated by a colon, width:height. Common aspect ratios are 1.85:1 and 2.40:1 in cinematography, 4:3 and 16:9 in television, and 3:2 in still photography.
A windowboxed image.
Cinematography is the art of motion picture photography.
Arri Alexa, a digital movie camera
Georges Méliès (left) painting a backdrop in his studio
Live recording for TV on a camera with a Fujinon optical lens.
A deep focus shot from Citizen Kane (1941): everything, including the hat in the foreground and the boy (young Charles Foster Kane) in the distance, is in sharp focus.