The beam spot illuminated by the optical lens is uniform, without black holes, shadows, or dark areas; The product is easy to use, with smooth edges, fine workmanship and a bright appearance. InstructionThe installation is simple. Remove the old optical lens of the flashlight lamp holder and replace it with a flat convex lens. Uxcell Diameter 32mm Flat Convex Lens, 15 Pcs Height 10mm PMMA Acrylic Led Optical Convex Condenser Lens Edge Flashlight Car Bike Head Lamp Spotlight Ad423f73 06c6 43a7 A016 Ac53048befec.d079544984296e7bb16cc029b1c9355b The lens can maximize light output and achieve brighter lighting. Note: Please confirm the required size (outer diameter and height) before placing an order. The plano-convex structure of the lens provides a clear magnified view for close-up inspection, with a light transmittance of up to 90%. View Asmara Mengisteabu2019s profile on , a professional community of 1 billion members Instruction: Easy to install. Remove the old optical lens of the lamp holder and replace it with a plano-convex lens. Specification: Color: Transparent; Material: PMMA (Acrylic); Lens Outer Diameter: 68mm / 2., 68 inch; Lens Height: 10mm / 0., 39 inch; Packing List: 3 x Flat Convex Lens 50.6mm-63mm Optical Glass Plano-Convex Lens DIY Focusing Condenser Lens Accessor Remove the old optical lens of the flashlight lamp holder and replace it with a flat convex lens. Application: Optical glass convex lenses are widely used in LED lighting products, such as car lights, bike headlights, focusing flashlights, spotlights, downlights, condensers, optics, floodlights, and other lighting accessories, etc