70 mm PMMA Fresnel Lens, Optical Solar Concentrator, Torch Capacitor (30 mm)

HIGH LIGHT TRANSMANCE: This 70mm Fresnel lens is made of optical PMMA with a light transmission of 92% and provides bright, clear optical performance for solar concentration, flashlight condensation and stage lamp applications. MULTIPLE BURN LENGTH OPTIONS Available in focal lengths 30mm, 40mm, 50mm, 60mm, 70mm and 80mm, allowing you to choose the right lens for your plane-magnifier, solar concentrator or flashlight project. 3x magnification: this Fresnel lens offers 3x magnification with a diameter of 70 mm and a thickness of 2 mm, making it a practical for plane magnifying glasses and other optical setups. Versatile applications: this optical PMMA fresnel lens is suitable for solar concentrators, flashlights, stage lamps and plane magnifiers and adapts to a variety of optical and lighting projects. Durable optical PMMA: Made from optical PMMA material, this Fresnel lens is lightweight and designed for reliable performance in concentrator, condenser and magnifying applications.