PMMA Flat Convex Condenser Lens for LED Flashlight, Bicycle Head Lamp, High Transmittance Optical Lens(1pcx15mm)

Precision Flat Convex Device: This condenser lens features a flat convex shape that focuses and concentrates light, ideal for zoomed LED flashlights and bicycle headlights to achieve a brighter and targeted beam. High Light Transmittance - Made with high borosilicate glass with 95% light transmittance and an optical refractive index of 1.474, which ensures minimal light loss and maximum brightness output. WIDE SIZE SELECTION - Available in diameters of 10mm, 15mm, 18mm, 20mm, 23mm, 25mm, 28mm, 29mm, 30mm, 32mm, 35mm and 38mm for Fits various models of lanterns and lamps. Please measure your lens before purchasing. DURABLE AND HEAT RESISTANT: With an edge/step device for easy installation, this lens withstands working temperatures from -58°F to 842°F, making it suitable for high power LED applications. Accurate Dimensions Each lens is measured manually with an error tolerance of 0.02mm. Package includes 1 piece of transparent condenser lens. Note: This is PMMA acrylic lens, not glass.