Round Fresnel Lens PMMA Threaded Condenser 20-70mm for LED Light Projector VR Optics(D42mm-FL70mm)

Precision-molded PMMA Fresnel lens with 92% light transmittance, offering efficient light concentration and beam control for LED lights, stage lights, flashlights, and fishing lights. Threaded concentric groove devise (0.3mm pitch) effectively adjusts beam angle and output, suitable for DIY projectors, VR headsets, and magnifying observation of fine details. Available in multiple diameters (20mm, 40mm, 42mm, 50mm, 60mm, 70mm) with customizable focal lengths, perfect for various optical setups, research, and product development. Durable acrylic construction with a wide operating temperature range from -40°C to +80°C, ensuring stable performance in diverse environments. Lightweight and easy to integrate, ideal for optical experiments, magnification tasks, and prototyping in educational, industrial, or hobbyist applications.