PMMA Flat Convex Condenser Lens for LED Flashlight Bike Head Lamp - High Transmittance Optical Lens(1pcx33mm)

Precision Flat Convex devise: This condenser lens features a Flat convex shape that focuses and concentrates light, ideal for zoom LED flashlights and bike head lamps to achieve a brighter, more directed beam. High Light Transmittance: Crafted from high borosilicate glass with 95% light transmittance and an optical refractive index of 1.474, ensuring minimal light loss and maximum brightness output. Wide Size Selection: Available in 10mm, 15mm, 18mm, 20mm, 23mm, 25mm, 28mm, 29mm, 30mm, 32mm, 35mm, and 38mm diameters to fit various flashlight and lamp models. Please measure your lens before purchase. Durable & Heat Resistant: With an edge/step devise for easy installation, this lens withstands working temperatures from -50°C to 450°C, making it suitable for high-power LED applications. Accurate Dimensions: Each lens is manually measured with an error tolerance within 0.3mm. Package includes 1 piece of transparent condenser lens. Note: This is a PMMA acrylic lens, not glass.