CO2 focus lens is used in laser cutting, laser drilling, laser welding and laser engraving machines. It is used to focus the laser beam into one point, and make the energy of the laser point reach a very large value, rapidly combust of the workpiece to make cutting and engraving available. 
On the market Focus lens is distinguishedby the plano convex and meniscus lens. Because meniscus lens has a better at focusing, so with the same price, we recommend the crescent-shaped lens. For the specified requirements of the customer, we can provide the same flat convex lens as well. 
Our company produces the surface of the lens is of good quality, the coating layer is more firm, transmittance of plated double-sided antireflective film (10.6μm at) ≥ 99.5%,our lenses are wipe-resistant. 
Focus lens is made of ZnSe, lenses, the company provides domestic(Chinese) and imported materials (Frome USA) to meet the needs of different customer requirements.