Optical system providing apparent relative movement in depth

Details Optical system providing apparent relative movement in depth Optical system providing apparent relative movement in depth

G - Physics

02

B

88/1, 95/0.2

G02B 27/26 (2006.01) G02B 27/22 (2006.01) G03G 15/20 (2006.01)

Patent

CA 1079103

ABSTRACT OF THE DISCLOSURE The method is to provide apparent relative move- ment in depth between a subject and a background and com- prises prjecting a background onto a reflective surface, placing a subject to which movement is to be imparted in the optical path between the background and a viewer, and providing the viewer with a zoom capability synchronised with zoom conditions imparted to the background such that on the background rooming the viewer zooms to the same degree so that there is no apparent alteration in the background seen by the viewer whereas the subject which is only affected by the zoom capability of the viewer, appears to move relative in depth to the background. Also included is apparatus for providing apparent relative movement in depth between a sub- ject and a background comprising a projector for projecting the background, a viewer, means for imparting zoom conditions to the background, a zoom capability on the viewer and means for synchronising the zoom conditions of the background with the zoom of the viewer.

263088

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