50mm PMMA Fresnel Lens Focal Length 28-100mm Threaded Solar Condenser(80mm)

Premium PMMA Material: Made of high-transmittance acrylic (PMMA) with 92% light transmission, this 50mm Fresnel lens delivers bright, clear optical performance for LED, solar, and lighting applications Adjustable Focal Length 28mm-100mm: The 50mm diameter round lens with 2mm thickness and 0.3mm thread pitch allows flexible beam adjustment, making it ideal for focusing LED lights, stage lights, flashlights, and fishing lamps Threaded Flat Structure: The flat Fresnel devise with threaded edge enables easy mounting and stable installation in DIY projector, VR glasses, and custom optical setups Wide Temperature Range: Withstands temperatures from -40°C to +80°C, ensuring reliable performance in outdoor solar condensers, indoor lamps, and various lighting fixtures Versatile Optical Applications: Perfect for LED light beam adjustment, DIY projectors, VR glasses, magnifying observation, optical experiments, research, and optical product development