50mm PMMA Fresnel Lens Focal Length 28-100mm Threaded Condenser for LED Lights DIY Projector(1 pcsx 28mm)

Precision-molded PMMA acrylic material delivers 92% light transmittance, ensuring bright and efficient beam control for optical applications. Available in focal lengths from 28mm to 100mm, offering flexible options for adjusting beam angles and light output in LED lights, stage lights, and flashlights. Threaded edge devise (0.3mm pitch) allows secure integration into lens holders or custom mounts, simplifying assembly for DIY projects and optical devices. Suitable for a wide range of uses including magnifying observation, VR glasses, optical experiments, and product development, with a durable build that withstands -40°C to +80°C. Thin 2mm profile keeps weight low while maintaining optical clarity, making it easy to handle and install in compact lighting or projector systems.