20mm/30mm Round Fresnel Lens 50mm Focal Length PMMA Acrylic Condenser for LED Lights DIY Projector(20mm)

Precision-molded PMMA acrylic lens with 92% light transmittance, delivering bright, focused beams for LED lighting, stage effects, and flashlight upgrades. Threaded edge (0.3mm pitch) allows secure mounting in custom housings or optical assemblies, simplifying integration into DIY projectors, VR headsets, or solar concentrators. Flat magnifying devise with 50mm focal length is ideal for close-up observation, detail inspection, and various optical experiments or product prototyping. Durable and lightweight construction withstands temperatures from -40°C to +80°C, ensuring reliable performance in both indoor and outdoor applications. Available in 20mm and 30mm diameters, this versatile lens fits a wide range of lighting, imaging, and educational projects without compromising optical clarity.