20-66mm Edged Acrylic Flat-convex Lens for Flashlight LED Focusing Torch Accessories, Magnifying Glass Convex Lens(1PCx21.8mm)

Precision Optical Acrylic Construction: Crafted from high-grade optical acrylic (PMMA) with light transmittance up to 90% or more, ensuring efficient light focusing and minimal loss for your LED applications. Versatile Size Range: Available in diameters from 20mm to 66mm with a minimum height of 6mm, this Flat-convex lens fits a wide variety of flashlight, torch, and DIY focusing projects. Enhanced Light Focusing: The edged Flat-convex devise concentrates light beams effectively, making it ideal for use in stage lights, wall washer lights, projection lights, landscape decorative lights, small flashlights, and desk lamps. Easy Integration: devised as a direct replacement or upgrade accessory for LED focusing systems, simply install into your existing housing or DIY setup to achieve sharper, more concentrated illumination. Reliable & Consistent: Each lens is precision-molded with tight tolerances (allowable error within 0.5mm), ensuring consistent performance and easy handling for hobbyists, repair technicians, and lighting enthusiasts.