PMMA Convex Acrylic Lens 10-66mm Aspheric Optical for Zoom LED Flashlight Bike Headlamp Spotlight Replacement(1PC x27.8-T6mm)

Precision Flat-convex devise: This PMMA acrylic lens features a Flat-convex structure, ideal for focusing and collimating light in zoom LED flashlights, bike headlamps, and spotlights. Aspheric Optical Surface: The aspheric shape reduces spherical aberration, delivering a sharper, more concentrated beam with improved light transmission efficiency. Wide Size Range Available: Choose from 10mm to 66mm diameter options (10, 18, 20, 21.8, 23, 25, 28, 29, 32, 34, 38, 42, 45, 66mm) to fit various flashlight and lamp housings. Durable PMMA Material: Made from acrylic (PMMA), this lens offers excellent light transmittance, impact resistance, and long-lasting performance in outdoor and indoor use. Easy Replacement: Single piece (1pc) lens, compatible with many zoom flashlights, bike headlamps, and spotlight fixtures. Simple to install for DIY repairs or upgrades.