II-VI ZnSe Infrared Lens - 20mm OD Focal Length:2.5" (63.5mm) This unique

This unique

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II-VI ZnSe Infrared Lens - 20mm OD Focal Length:2.5" (63.5mm) This unique20mm diameter Zinc Selenide (ZnSe) meniscus lens This lens is suitable for most CO2 laser cutters with a 20mm OD lens housing. II VI Infrared is the world leader in laser optics, delivering an unbeatable combination of innovation, quality, and expertise. Meniscus lenses are designed to minimize spherical aberration and produce the smallest possible focal spot. Specification: Material: II VI ZnSe coating 10,600nm Lens type: Meniscus Edge thickness : 2.