20 mm CVD ZnSe Focus Lens for Laser Cutting Machines

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 20 mm laser engraver lens integrates seamlessly with 80W to 150W OMTech 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! FEATURES: High-Efficiency Meniscus Lens: This 20 mm