Request InfoZygo CorporationProviding full 3-D surface and wavefront maps, and radius of curvature of lenses and lens systems, PTI 250 interferometers from Zygo Corp. are suitable for process control in high-volume production environments and R&D labs. Features include a 25-mm aperture, a live fringe-alignment system, manual aperture focus, a temperature-stabilized laser, and a manual Z-stage with 300- and 30-mm coarse and fine adjustment, respectively. They are available on a vertical test stand or in horizontal or upward configurations, as well as with upgradable features and accessories. The interferometers are...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra December 2022 IssueAutomotive Lens TesterThe Thermal Module TM-1150 from Optikos Corp. tests lenses up to 150 mm for automotive applications. 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