Request InfoDocter Optics Inc.Docter Optics GmbH is offering a high-performance line of off-the-shelf precision optical components. Among them are aspheric condenser lenses; planoconvex, biconvex and convex-concave singlet lenses; concave first-surface mirrors; and rectangular, square and round heat-absorbing filters in B270, F2, Duran, Pyrex, KG1 and KG3 glass materials. 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