Agfa-gevaert Ag

Eckhard Schafferus

Rainer Jetter

An arrangement for turning an image projected on an image screen has an image screen, a trapezoidal prism for image turning, and an optical system for image producing. The prism has an entry surface, a base surface and an exit surface. The entry surface of the prism encloses with the base surface an angle which is different from an angle enclosed by the exit surface of the base surface. A light beam extending on an optical axis of the optical system for image producing is offset on the exit surface relative to the optical axis and encloses an angle with the optical axis which is not equal to zero, and a transmission filter is located between the prism and the image screen.

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Puchheim, Germany

Eckhard Schafferus