1PCS PMMA Convex Acrylic Lens Diameter 10mm-66mm Aspheric Optical Lens(1PC x10.5mm)

Precision Flat-convex devise: This PMMA acrylic lens features a Flat-convex structure with an aspheric surface, optimizing light and reducing spherical aberration for brighter, more uniform beam output in zoom flashlights and spotlights. Wide Diameter Range: Available in 10mm, 18mm, 20mm, 21.8mm, 23mm, 25mm, 28mm, 29mm, 32mm, 34mm, 38mm, 42mm, and 45mm to 66mm sizes, ensuring compatibility with various LED flashlight, bike head lamp, and lantern models. Durable PMMA Material: Made from acrylic (PMMA) with excellent light transmission and impact resistance, offering a lightweight yet sturdy alternative to glass lenses for outdoor and DIY lighting projects. Easy Replacement & Upgrade: devised as a direct replacement lens for zoom LED flashlights, bike head lamps, and spotlights, simply swap out the old lens to restore or enhance your light’s focusing performance. Versatile Optical Application: Ideal for optical experiments, DIY flashlight modifications, or repairing camping lanterns, this aspheric lens helps achieve a sharp, adjustable beam from flood to spot with minimal distortion.