190mm Optical Plastic PMMA Fresnel Lens Solar Condensor Plano Magnifier

Focal Length 1000mm Optical PMMA Plastic Projector Solar Fresnel Lens Magnifier

Optical PMMA Plastic Fresnel Lens Linear Fresnel Lens Solar Energy Concentrator

230mm Fresnel Lens Optical Plastic Solar Condenser Plane Magnifier Focal 110mm

Diameter 150mm Optical PMMA Plastic Plane Solar Light Condensing Fresnel Lens

140mm Diameter Optical Round PMMA Solar Plastic Fresnel Condenser Lens Magnifier

30cm Optical PMMA Plastic Fresnel Lens Solar Concentrator Large Magnifying Glass

300mm Optical PMMA Fresnel Lens Solar Concentrator Large Magnifying Glass Lenses