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. Can be used with a variety of high-power LED products, such as 1W, 3W, 5W, 8W, 10W 15W 20W, 50W, etc. Uxcell Diameter 25mm Flat Convex Lens, 15 Pcs Height 8mm PMMA Acrylic... The beam spots irradiated through the optical lens are uniform, without black holes, shadows, or dark areas. Material quality: optical acrylic (PMMA). Angle: 60 degrees. Temperature resistance: -35u2103 to +90u2103. Light transmittance: up to 90% or more The plano-convex structure of the lens provides a clear magnified view for close-up inspection, with a light transmittance of up to 90%. Instruction: The installation is simple. The lens can maximize light output and achieve brighter lighting. Bike Flashlight PATIKIL Diameter 20mm Height 7mm Flat Convex Lens, 10 Pcs Acrylic LED... Bike Head Light Note: Please confirm the required size (outer diameter and height) before placing an order. Application: Optical plano-convex lenses are widely used in LED lighting products, such as car lights, bicycle headlights, focusing flashlights, spotlights, stage lights, projection lights, downlights, condensers, optical devices, floodlights and other lighting accessories. Plano-Convex Lenses/Flat Convex Lens/Convex Lens/Optical Lens - Flat Convex Lens and Plano...