Square Fresnel Lens 30x30 40x40 50x50 100x100mm PMMA Acrylic DIY Projector Condenser Magnifier(40x40mm-FL40mm)

Precision-molded PMMA Fresnel lens with 92% light transmittance for efficient light concentration and beam control in DIY projectors, stage lights, flashlights, and fishing lights. Available in multiple sizes (30x30mm to 100x100mm) with focal lengths from 28mm to 150mm, offering flexible options for various optical setups and experiments. Threaded surface devise (0.3mm or 0.5mm pitch) enhances light diffusion and focusing accuracy, suitable for condenser applications and beam angle adjustment. Durable acrylic material withstands temperatures from -40°C to +80°C, ensuring reliable performance in both indoor and outdoor lighting or optical devices. Ideal for optical research, product development, magnifying small details, or upgrading LED lamps—each package includes one lens for your specific project needs.