Laser Welding Focusing Collimation Lens Hand-held Dia20x3.5 20×5 QILIN CQWY WSX
Lase r Welding Focus & Collimation Lens Hand-held Dia20x3.5 20x5 QILIN CQWY WSX Welder Head Lenses For Fiber 1064nm Cutting Parts. Application:For QILIN CQWY WSX Laser Welding Machine. Wavelength: 1064nm(900-1100nm) For Fiber Laser Beam.