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

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

2PC 50x50mm Optical Focal Length 70mm PMMA Plastic Fresnel Solar Condensing Lens

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

350mm Optical PMMA Fresnel Lens Magnifier Focal Length Solar Plastic Magnifying

Dia 110mm Optical PMMA Solar Condenser Fresnel Lens Magnifier Focal Length 60mm

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