Square Fresnel Lens 30x30 40x40 50x50 100x100mm PMMA Acrylic DIY Projector Solar Condenser Magnifier (50x50mm-FL50mm)

Precision-molded PMMA acrylic Fresnel lens with 92% light transmittance, offering clear magnification and efficient light condensation for DIY projectors, solar concentrators and optical experiments. Available in various sizes (30x30mm, 40x40mm, 50x50mm, 100x100mm) with clearly marked focal lengths, allowing flexible integration into custom lighting, stage lights, lanterns and fishing lamps. The threaded surface device (0.2mm or 0.5mm pitch) helps reduce glare and improve light diffusion, while the 2mm Flat thickness ensures easy mounting to various or housings. The durable acrylic material withstands temperatures from -40°F to +176°F, making it suitable for both indoor and outdoor applications, including solar harvesting and heat-exposed environments. Ideal for educational physics experiments, optical research and product prototyping, this one-piece lens delivers consistent performance and reliable optical characteristics for hobbyists and engineers.