Square Fresnel Lens 30x30 40x40 50x50 100x100mm PMMA Acrylic Condenser for DIY Projector Solar(100x100mm-FL90mm)

Precision-molded PMMA acrylic lens with 92% light transmittance, delivering bright and efficient light concentration for solar, LED, and projection applications. Available in multiple sizes (30x30mm to 100x100mm) with focal lengths from 28mm, offering versatile options for custom optical setups and beam angle adjustment. Fine 0.3mm or 0.5mm thread pitch on the lens surface enhances light diffusion and focusing accuracy, ideal for stage lights, flashlights, and fishing lights. Durable and lightweight acrylic construction withstands temperatures from -40°C to +80°C, ensuring reliable performance in various environments and continuous use. Perfect for DIY projector builds, magnifying small details, optical experiments, and product development; each package includes one lens with clear specifications.