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

190mm Optical Plastic PMMA Fresnel Lens Solar Condensor Plano Magnifier

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

2pcs 30mm Round Mini Plastic Optic PMMA Solar Fresnel Lens Focal Length 15MM

Optical PMMA Plastic Fresnel Lens Linear Fresnel Lens Solar Energy Concentrator

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

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

2PCS 140mm Optical PMMA Plastic Solar Fresnel Lens Condenser Plane Magnifier