Request InfoTower Optical Corp.BOYNTON BEACH, Fla., Feb. 9, 2015 — Tower Optical Corp. has announced the Z-76.2-A series of 3-in., zero order waveplates with a clear aperture of 73 mm. Air spaced, the waveplates are available unmounted or in 4-in. mounting rings. The large-aperture devices provide users with the capability of handling new applications where beam size or position move over large distances. 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