Collimating and beam expanding lens can expand the spot diameter, compressing divergence angle, has been widely applied in distance, lighting, laser scanning, interferometry and industrial production and other fields. - Low wavefront error - The wide spectrum of film - Collimation good - Large focusing range Technical indicators: Beam expanding ratio: 1.5~50X Coating: 350-650nm 650-1050nm 1050-1650nm Design of wavelength: 650nm 550nm 632nm 808nm 1064nm and multi spectrum The maximum incident aperture: 1~10mm Interface type: M22.0*0.75Nike Zoom Flight Bonafide