Three layers of lens w/ high permeability coat More lasers, please contact us at via message. This coated laser lens is a high permeability optical component used for as Industrial testament, Lab, DIY. Please keep the lens clean to make the laser beam clear and bright. 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.
Specification Fit for Wavelength: / 405nm Lens Size: 7mm Coated: YES Metal FrameScrew Size: M9 P0.5