Request InfoSumita Optical Glass Inc.The K-PSFn214 optical glass for precision molding from Sumita Optical Glass Inc. features an index of nd 2.14352/vd 17.8, which is higher than that of the company’s K-PSFn2 (nd 2.00170/vd 20.6). It also offers improved transmission over the conventional glass. Its yielding point is 449 °C, its thermal expansion is 98 x 10–7 °C–1, and its specific gravity is 7.06. Its molding temperature is approximately 470 °C, which is suitable for workability and extended life of the die. Designing optical devices in high-index materials enables the downsizing of optical equipment and wide-angle lenses for...See full productRelated content from Photonics MediaPRODUCTSPromoted Content March 2023 IssueCustom Precision OpticsSince 1947, three generations of family leadership have positioned LaCroix Precision Optics as the premier manufacturer of precision optics in America. 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