Check the listing for details. 13mm LED Convex Len 15pc 100 Degree Beam Angle Acrylic LED Optical Condenser Len. Condition: New. Listed at 10.63 USD. Optical glass convex lenses are widely used in infrared monitoring products such as infrared array cameras and infrared ball cameras.SpecificationColor: TransparentMaterial: PMMA (Acrylic)Fit for Lamp Beads Power: 1W and 3WBeam Angle: 100 DegreeLens Outer Diameter: 13mm / 0.51 inchLens Height: 9.5mm / 0.37 inchHole Diameter: 8.05mm / 0.32 inchPacking List: 15 x LED Optics Convex Condenser LensAdvantageMade of PMMA (Acrylic) material, it is high-temperature resistant, not easy to age, and has high light transmission.The beam spots irradiated through the optical lens are uniform, without black holes, shadows, or dark areas.InstructionYou can get the beam angle you want by adjusting the distance between the lens and the LED lamp bead.NotePlease confirm that LED lights are not included here.