Product Description

 ***4um focus lensw include One-piece,Two-piece,Aspherical lens and so on.They are used for Scribing machine,Engraving machine,Laser Marking machine,High-power laser welding machine,Laser dilling machine.
 **2nm focus lens is used for laser inside-caving machine.
**5um is mainly used for ultra-fine marking,engraving,particularly suitable for food and pharamaceutical packaging material marking,high-speed divided of playing microporous and glass material,complex graphics cutting of silicon water and other applications.