Square Fresnel Lens 30x30 40x40 50x50 100x100mm PMMA Threaded DIY Solar Projector Condenser Magnifier(30x30mm-FL28mm)

Precision-molded PMMA acrylic lens with 92% light transmittance, delivering bright, even light concentration for projection, solar focusing and magnifying tasks. Threaded edge device (0.015" or 0.025" pitch) allows for secure mounting on custom optics, mounts or assemblies, ideal for DIY projector constructions and lighting fixtures. Available in multiple sizes (30x30mm to 100x100mm) with focal lengths from 28mm to 100mm+, offering flexible options for beam configuration, stage lights, flashlights and fishing lights. The durable acrylic construction withstands temperatures from -40°F to +176°F, ensuring reliable performance in both indoor experiments and outdoor solar applications. Versatile tool for expanding fine details, conducting optical research or developing new products, suitable for hobbyists, educators and engineers.