1PC 10-38mm Aspherical Flat Convex Lens for Bike Flashlights and Headlights - High Performance Optical (18mm x 8.4mm)

Premium PMMA Material - Made of high quality PMMA plastic, this lens ensures exceptional light transmission and long life for all your optical applications. Enhanced Brightness: Designed specifically for flashlights and bike headlights, this lens significantly improves brightness and focus, ensuring maximum visibility during night adventures. Innovative aspherical devise: The unique aspherical shape effectively reduces spherical aberrations, delivering sharper and clearer images for superior optical performance. Efficient Flat-Convex Structure: The flat-convex devise of this lens concentrates light effectively, making it suitable for a variety of optical uses, from outdoor activities to professional applications. PRECISION DESIGNED - With a model number of 10-38mm, this lens allows accurate manual measurement of size, with a margin of error of only 0.3mm for precise fitting and installation.