1pcs Fresnel Round Lens, 20-70mm PMMA Threaded Condenser Lens for LED Projector, VR Optics, 1pcs(D60mmxFL30mm)

Precision molded PMMA Fresnel lens with 92% light transmittance, ideal for shaping the beam and adjusting the angle in LED lighting, stage lights, flashlights and fishing lamps. The threaded concentric groove device (0.02mm pitch) condenses and directs light effectively, suitable for DIY projectors, VR headsets and observation with fine detail magnifier. Available in multiple diameters (20mm, 40mm, 42mm, 50mm, 60mm, 70mm) with customizable focal lengths, offering flexibility for various optical configurations and prototypes. The durable acrylic construction withstands temperatures from -40°F to +176°F, ensuring stable performance in various environments and continuous use applications. Light weight 2mm thickness with smooth optical surface, easy to integrate into existing housings or supports for research, education and product development projects.