Round Fresnel Lens, 50mm PMMA Threaded Capacitor for LED Light Projector, VR Optical Experiments(D40mm-FL50mm)

High precision PMMA Fresnel lens with 92% light transmittance and 0.015 inch thread pitch, providing clear and uniform light concentration for LED applications, stages, flashlights, and fishing lights. Versatile optical component for DIY projectors, VR glasses, magnification image details and various optical experiments, research or product development projects. Round thread device with 2mm thickness and multiple diameter options (20mm to 70mm), allowing flexible beam angle adjustment and focal length selection for custom optical configurations. The durable acrylic material withstands temperatures from -40°F to +176°F, which ensures reliable performance in various environments and long-term use. Easy to integrate into existing optical systems; compatible with standard LED housings, projector assemblies and experimental equipment, ideal for engineers, hobbyists and educators.