Request InfoEdmund Optics Inc.BARRINGTON, N.J., Feb. 25, 2011 — TechSpec silicon planoconvex (PCX) lenses manufactured by Edmund Optics Inc. are suitable for use in weight-sensitive infrared applications from 3 to 5 µm, for near-infrared imaging and infrared spectroscopy, with density less than half that of germanium or zinc selenide. The lenses feature precision polished surfaces with a positive focal length and with one flat and one convex surface. They are designed for orientation with the plano (flat) surface facing toward the desired focal plane. They are available in focal lengths from 25 to 250 mm and are offered uncoated. 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