This high-precision Fresnel lens is an efficient optical component designed for superior light concentration and versatile magnification. Suitable for focusing light in solar heating experiments and small DIY solar projects, its high light transmittance and efficient focusing ability concentrate sunlight to generate heat. Furthermore, this lens is a perfect tool for physics teaching; it can also be used in lighting glass, artwork, projectors, projection lamps, photographic equipmentSpecifications:Material: AcrylicSize: 100 x 2mm / 3.9 x 0.08 inch (Dia * H)Focal Length: 36mm / 1.
