Laser focus lens: Material:CVD ZnSe D25.4mm,F.L 63.5mm, ... .T 3mm Shape:Spherical Application:Laser cutting, welding, engraving Laser focus lens specifications: Apply CO2 laser focusing lens is widely used ... meet the market’s need, we explored the following two series products: Plano-convex and Plano-concave mirror and crescent lens ...