2pcs 70mm Round Plastic PMMA Fresnel Lens Solar Condensor Lens Card Focal Length

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

10PCS Dia.35-110mm LED Glass Frosted Round Flat Frosted Glass Lenses Lamp Shades

230mm Fresnel Condenser Lens Optical PMMA Solar Plane Magnifier Focal 110mm 1PC

Optical PMMA Plastic Fresnel Lens Linear Fresnel Lens Solar Energy Concentrator

Optical PMMA Plastic Linear Fresnel Lens Solar Energy Concentrator Condensor

2pcs 80x60mm PMMA Fresnel Lens Plastic Solar Condensor DIY Projector

2pcs 40x40mm PMMA Plastic Solar Condenser Fresnel Lens Focal Length 40/50/70mm