Plastic Frensel Objektiv für Solarkocher

Big frensel lens for used in Solar cooker. Brief : With our many years of single point diamond turning technology experience and painstaking research, our company developed a large Fresnel lens product, the mold quality and processing standards in the world, and exploit the fresnel lens with the rear projection screen , Fresnel lens concentrating solar collector and solar cookers, 3D imaging with a Fresnel lens, a large zoom Fresnel lens Product drawing: Capacity : Transmission test