20pcs Waterproof 10mm Dia Optical Glass Lenses for 400nm-600nm Laser Diode Material: Glass,400nm-600nm AR film coated Dimensions diameter: 10 mm high-quality coated optical glass lenses, Plane Mirror,waterproof & dustproof Package: 20x 10mm Dia Waterproof Optical Glass Lenses for 400nm-600nm Laser Diode |
