5Pcs PMMA Flat Convex Acrylic Lens Set 10-38mm Transparent Condenser Lens(5pcsx35mm)

Complete 5-Piece Lens Set: Includes 10mm, 15mm, 18mm, 20mm, 23mm, 25mm, 28mm, 29mm, 30mm, 32mm, 35mm, and 38mm Flat convex acrylic lenses (5 lenses per set, sizes vary by selection) to fit a wide range of zoom LED flashlights and bike head lamps. PMMA Material: Made from durable, lightweight acrylic with excellent light transmission and heat resistance, providing clear and focused beam projection for your flashlight or headlamp. Flat Convex Optical devise: The curved surface concentrates light into a tight, adjustable beam, ideal for zoomable flashlights and DIY lighting projects that require precise beam control. Easy to Install & Replace: Each lens is precisely cut with a diameter tolerance within 0.3mm, ensuring a snug fit into most standard flashlight lens holders or housings without additional modification. Versatile Application: Perfect for upgrading or repairing zoom LED flashlights, bike head lamps, camping lights, and other portable lighting devices; also suitable for educational optics experiments and DIY machine projects.