2pc 20mm Mini Optical PMMA Plastic Fresnel Lens Focal 10mm Solar Condensor

1pcs 42mm Round PMMA Plastic Fresnel Lens Solar Condenser Magnifier Lens VR Lens

2PCS 30mm Mini Plastic Optic PMMA Solar Fresnel Condensing Lens Magnifying Glass

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

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

190mm Optical Plastic PMMA Fresnel Lens Solar Condensor Plano Magnifier

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

2PC 30x30mm Optical PMMA Fresnel Lens Solar Condensor Focal Length 28/50/80mm