300mm Optical PMMA Fresnel Lens Focal 400mm Solar Concentrator Magnifying Lens

1PC Optical Plastic 100x100mm Linear Fresnel Lens PMMA Square Solar Condensor

1PC Round 90mm Optical PMMA Plastic Fresnel Lens Solar Condensing Magnifier

190mm Optical Plastic PMMA Fresnel Lens Solar Condensor Plano Magnifier

2PCS 110mm Optical PMMA Solar Condenser Fresnel Lens Magnifier FL 60-1000mm

310mm Dia Large Optical PMMA Plastic Big Solar Fresnel Lens Magnifying Glass

350mm Solar Fresnel Lens Optical PMMA Solar Concentrator Large Magnifying Glass

Square 300X300MM PMMA Plastic Fresnel lens Solar concentrator Plane Magnifier