| 摘要 |
A lens system is provided for being coupled to a camera. The lens system has two prime lenses for receiving light from objects being filmed. Light passing through the prime lenses is reflected by a pair of prisms and a pair of mirrors to a relay lens. Light from the relay lens is used to expose the film in a conventional movie camera so that the image from one prime lens is recorded above the image from the other prime lens. Each film frame is divided in half, one half storing the image recorded by one prime lens, the other half storing the image recorded by the other prime lens. The two prime lenses are displaced both vertically and horizontally. As the two prime lenses are focused by being moved horizontally, one of the prime lenses moves vertically to insure that the object being focused on appears at the same height within its half frame as the object appears in the half frame storing the image from the other prime lens.
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