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The Delrama anamorphic reflecting system used curved mirrors arranged in the form of a periscope, instead of the more usual lenses or prisms, and was free of many of their defects. Tests using a modified projection unit were encouraging. Delrama's creator Dr. Albert Bouwers [1893-1972] of N.V. Optische Industrie 'De Oude Delft' seized upon the problem and came up with a design more suitable for camera use. This employed specially computed curved surface reflecting prisms, rather than cylindrical lenses or refracting prisms. It was an auxiliary attachment big enough to cover the larger diameter of the lenses needed to cover the double-frame negative and allowed for a maximum angle of view of about 60-degrees, equal to that of CinemaScope and the other systems then in use for general film making. The prototype was tested by being sent to the winter sports resort at Sestriere, Italy, with instructions to shoot a wide variety of scenes in all kinds of lighting conditions, particularly with the sun glaring off the snow, to make sure that the prime lens and Delrama combination produced no internal reflections. The results were superb, even at wide apertures, so Technicolor obtained exclusive rights throughout the world to use the Delrama, so it would only be used as part of its own widescreen system. The name Technirama was finally chosen for the system, said to be a combination of the words Technicolor and Delrama. [Using quotes from Grant Lobban's 'The Technirama Story'.]
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