PMMA Convex Lens for LED Flashlight, 10-38mm Diameter Transparent Condenser Lens(1pcx23mm)

Precision Optical devise: This convex lens features a 95% light transmittance rate and an optical refractive index of 1.474, effectively focusing and condensing light for a brighter, more concentrated beam in LED flashlights and bike head lamps. Versatile Size Options: Available in 12 diameters from 10mm to 38mm (10/15/18/20/23/25/28/29/30/32/35/38mm), allowing you to select the perfect fit for various flashlight models, zoom lenses, or DIY optical projects. Durable PMMA Construction: Made from acrylic (PMMA) with an edge/step devise, this lens offers excellent impact resistance and long-lasting performance while maintaining optical clarity. Wide Temperature Tolerance: devised to operate reliably in temperatures ranging from -50°C to 450°C, suitable for both outdoor and high-heat environments without degradation. Easy Installation & Compatibility: Each pack includes 1 piece of condenser lens. The edge/step feature ensures secure placement in flashlight housings. Compatible with zoom LED flashlights, bike head lamps, and custom lighting builds.