10mm-38mm PMMA Flat Convex Aspheric Lens for Zoom LED Flashlight, Bike Headlamp, and Lantern - 1 Pack(Clearx29mm)

Precision Optical Clarity: Crafted from high-grade PMMA acrylic, this Flat-convex lens offers excellent light transmission and minimal distortion, ideal for focusing and condensing light beams in zoom flashlights and bike headlamps. Versatile Size Selection: Available in 11 diameters from 10mm to 38mm (including 18, 20, 21.8, 23, 25, 28, 29, 32, 34mm), allowing you to find the perfect fit for your specific flashlight, bike lamp, or lantern project. Aspheric devise for Enhanced Beam: The aspheric surface reduces spherical aberration and produces a more uniform, concentrated light beam compared to standard spherical lenses, improving your flashlight’s zoom and throw performance. Durable & Lightweight: Made from impact-resistant PMMA Reusableplastic, this lens is lighter than glass and resistant to shattering, making it suitable for outdoor and cycling use where durability matters. Easy Installation: As a single-piece Flat-convex lens, it can be directly mounted into compatible flashlight heads or lamp housings. Please measure your existing lens diameter before ordering to ensure a proper fit.