Optical Acrylic Flat Convex Lens Outer Diameter 1-66 mm for LED Flashlight with Focusing 1 Piece (OD40.6 ID34.7)

High light transmittance: Made of optical acrylic (PMMA), this lens offers up to 90% light transmission for bright and clear illumination in flashlights and LEDs. WIDE RANGE OF SIZES: Available with outer diameters from 1cm to 66mm, compatible with various models of flashlights, torches and spotlights for versatile use. DURABLE & HEAT RESISTANT - The sturdy PMMA construction withstands temperatures up to 221 °F, ensuring long-lasting performance with stage lights, landscape lights and more. PRECISION FOCUS - The flat-convex device provides strong and sharp concentration for your LED flashlight or flashlight, improving beam intensity and projection precision. Easy identification: Labeled size as OD (outside diameter), ID, H (height) and E (edge thickness) in mm; Manual measurement tolerance within 0.5mm.