Fresnel Lens PMMA Threaded Condenser 20-70mm for LED Light Projector VR 1pc(D50mmxFL40mm)

PREMIUM PMMA MATERIAL: Made of acrylic (PMMA) with 92% light transmittance, this round Fresnel lens delivers clear and bright optical performance for all your projects THREADED CONDENSER devise: Features a 0.3mm thread pitch for secure mounting, working perfectly as a condenser lens to adjust beam and output angle for LED lights, stage lights, flashlights and fishing lights MULTIPLE : Choose from 20mm, 40mm, 42mm, 50mm, 60mm and 70mm diameters with various focal lengths (D=Diameter, FL=Focal Length) to match your specific optical needs VERSATILE APPLICATIONS: Ideal for DIY projectors, VR glasses, magnifying observation of images or details, and a wide range of optical experiments, research and product development RELIABLE PERFORMANCE: Withstands temperatures from -40°C to +80°C and 2mm thickness, ensuring stable and durable use in diverse environments; package includes 1PC x Lens