5pcs Flat Convex Acrylic PMMA Lens Set 10-38mm Clear Condenser Lens(5pcsx12.5mm)

5 PIECE COMPLETE LENS SET: Includes 10mm, 15mm, 18mm, 20mm, 23mm, 25mm, 28mm, 29mm, 30mm, 32mm, 35mm and 1.496In (5 lenses per set, sizes vary according to selection) to fit a wide range of LED zoom flashlights and bicycle headlights. PMMA Material - Made of durable and lightweight acrylic with excellent light transmission and heat resistance, provides clear and targeted beam projection for your flashlight or headlamp. Flat Convex Optical Device: The curved surface concentrates the light into a narrow, adjustable beam, ideal for zoomable flashlights and DIY lighting projects that require precise beam control. EASY TO INSTALL AND REPLACE:Each lens is precision cut with a diameter tolerance within 0.3mm, ensuring a snug fit to most standard lens holders or torches housings without further modification. VERSATILE APPLICATION - Perfect for upgrading or repairing zooming LED flashlights, bike headlights, camping lights and other portable lighting devices; also suitable for teaching optics experiments and DIY machine projects.