Double Concave Glass Lens for 532nm Green Laser Module Beam Expander 5mm
They are double concave glass lenses for 532nm green lasers! This laser lens is a high permeability optical component used for as industrial test, 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 test.
Technical Information Model: LENS-532-double concave-5mm-BL Wavelength: 532nm Material: Glass Dimensions: Diameter 4/5/6/8mm(Please tell us the diameter you need)