HOW 3D WORKS Lenny Lipton

Cinema, since its inception in 1895, has been three dimensional: three dimensional in the sense that there have been depth cues that can be appreciated by a person with only one eye. Movies have been based on a one-eye view of the world as captured by a single lens camera, and there are many monoscopic (one eye) depth cues that help to create a 3D picture. Filmmakers have learned how to control the monoscopic 3D effect by means of lens focal length, lighting, and additions of fog or mist to the background, a moving camera, and other techniques. But the stereoscopic cinema works only for people with two normally functioning eyes because it adds the depth cue of binocular stereopsis (two eye solid ...

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