Coated Glass Lens for 405nm 445nm 450nm 473nm Laser Diode w/ Three Layers Parameters: Output Power: None Wavelength: 405nm-450nm Metal Frame: Screw Size M9 P0.5 Lens Material: Glass Lens Size: 6mm Coated: Yes Thread type: full thread Focus length :8mm Application: This coated laser lens is a high permeability optical component used for as Industrial testament, Lab, DIY. Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing. Care Instruction: Please keep the lens clean to make the laser beam clear and bright. Package:2pcs Coated Glass Lens
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