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Optical filters from Delta Optical Thin Film A/SDelta is a world-leading manufacturer of optical thin film components with more than fifty years of experience. With its unique optimisation software to match customers' particular optical specifications, Delta ensures a fast and efficient design process. In the 1990s Delta pioneered computer controlled optical monitoring and automatic deposition of advanced optical coatings, helping the world's leading manufacturers of analytical instruments in setting new standards. In 2005, Delta successfully managed to produce optical filters with the Ultra-Hard-Coated technology. Delta has then led the way towards an ever-increasing complexity and performance of optical filters.

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