PMMA Round Fresnel Lens, Threaded Capacitor 20-70mm for LED Light Projector, VR(D40mm-FL50mm)

Precision molded PMMA Fresnel lens with 92% light transmission, designed for efficient beam shaping and angle adjustment of LED lights, stage lights, flashlights and fishing lights. Threaded concentric grooves (0.23 mm) allows uniform light diffusion and focusing, ideal for DIY projectors, VR headsets and optical prototyping. Available in various diameters (20mm, 40mm, 42mm, 50mm, 60mm, 70mm) with customizable focal lengths, suitable for enlarging small details, viewing images and optical experiences. Durable acrylic material withstands temperatures from -40°F to +176°F, ensuring stable performance in various lighting and research environments. Lightweight and easy to integrate into existing optical systems, compatible with standard LED modules, projector housings and VR frame assemblies.