FEATURES: High-Efficiency Meniscus Lens: This 18 mm meniscus focus lens from OMTech ensures improved beam concentration, boosting engraving efficiency by around 11% compared to plano-convex lenses. High-Quality CVD ZnSe: This CO2 laser meniscus focusing lens is made of premium CVD ZnSe material to ensure minimal distortion, providing a clear and sharp focal point for your precise laser engraving. Over 99.5% Transmittance Rate: Both sides of the CO2 laser lens are coated with strongly antireflective coatings to achieve a better than 99.5% transmittance rate for infrared light at a wavelength of 10.6 microns. Wide Compatibility: This 18 mm laser engraver lens can be used in OMTech's 60W and 80W CO2 laser engraving and cutting machines for more accurate and efficient production. Easy to Install: The meniscus shape of this laser engraver focal lens allows you to install it easily and correctly onto your machine in the proper orientation. SPECIFICATIONS: Material: Zinc Selenium Diameter: 18 mm (0.7 in.) Edge Thickness: 2.7 mm (0.1 in.) Focal Length: 50.8 mm (2 in.) Rec. Wavelength: 10.6 microns (10600 nm) Light Transmittance Rate: 99.5% Clear Aperture: 90% Surface Quality (Scratch-Dig): 40-20 Net Weight: 0.4 oz. (10 g) PACKAGE LIST: 1x Meniscus Focus Lens DESCRIPTION: Engrave better and faster with OMTech's high efficiency meniscus focus lens! This advanced CO2 laser meniscus focusing lens ensures improved beam concentration, resulting in a remarkable 11% increase in engraving efficiency compared to plano convex lenses. Crafted from high quality zinc selenium, this laser engraver focus lens ensures minimal distortion for a clear focal point. Strongly antireflective coatings on both sides give our CO2 laser lens a light transmittance rate better than 99.5% for infrared laser light at the critical wavelength of 10.6 microns. This 18 mm laser engraver lens integrates seamlessly with OMTech's 60W and 80W CO2 laser machines for superior accuracy and efficiency. The unique positive meniscus shape of our lens keeps things easy as you install it into your laser engraving machine. With our laser engraver focal lens, your laser engraving, cutting, etching, and marking work has never been easier!
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