10-38 mm PMMA Acrylic Convex Aspherical Condenser Lens Optical for Flashlight Bike Head Lamp DIY Repair

VERSATILE SIZE RANGE - Includes 1 piece of acrylic convex lens with diameters from 10mm to 38mm (0.394, 0.591, 0.709, 0.787, 0.906, 0.984, 1.102, 1.181, 1.260, 1.378, 1.417 , 38mm), suitable for various optical projects and repairs. Precision Aspherical Device: Aspherical surface reduces spherical aberration, providing a more focused and uniform beam of light than standard spherical lenses, ideal for condenser applications. PMMA Material - Made of durable optical grade acrylic (PMMA), offers excellent light transmission and impact resistance while remaining lightweight for portable devices. Flat-convex structure: one side flat and one side convex effectively concentrate light, making it perfect for use in zoom flashlights, bike headlamps and other optical or DIY lighting systems. Easy to install and manual tolerance: compact and lightweight devise allows for simple integration. Please note that the manual measurement of the size has an error tolerance within 0.3 mm; please ensure compatibility with your case before installation.