Request InfoG&H StingRay, Optical SystemsStingRay Optics LLC has developed a long-wave infrared (LWIR) triple-field-of-view lens for use over the 7.5- to 12-μm waveband range. Focal lengths of 75, 150 and 300 mm are achieved through a motorized field of view change either via control box or computerized focus control. The design assumes a focal plane image diagonal on the order of 12 mm and a cold shield arrangement resulting in a lens speed of f/2. Average transmission is 85%. An optional control sequence upgrades the lens to a fully continuous zoom design.See full productRelated content from Photonics MediaPRODUCTSVision Spectra Winter 2023 IssueCompact IR Zoom LensThe Ophir® FoldIR 30 - 450 mm f/3.4 continuous zoom lens from MKS Instruments Inc. is a long-range, compact folded optics IR zoom lens for gimbal systems and payloads in air-land-sea...Photonics Spectra March 2023 IssueBoroscopic ProbesThe PCBP series of boroscopic probes from Opto Engineering SPA provide panoramic cavity imaging and measurement from inside hollow objects. The devices feature an integrated liquid lens for...Photonics Spectra October 2023 IssueMotorized Zoom LensThe Model 357-004 motorized radiation-tolerant zoom lens from Resolve Optics Ltd. is designed for use with a color, 2/3-in. tube and CMOS cameras in high-radiation environments. 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