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

42mm Optical PMMA Plastic Solar Fresnel Condensing Lens Focal Length 24mm

Dia. 300mm Focal 2000mm PMMA Fresnel Lens Optical Solar Concentrator Magnifier

250mm/255mm PMMA Plastic Fresnel Lens Focal Length 1000mm Solar Condensor

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

350mm Large Optical PMMA Fresnel Lens Focal Length 185mm Plastic Magnifying Lens

300mm Optical PMMA Fresnel Lens Solar Concentrator Magnifying Focal Length 360mm

Optical PMMA Plastic Fresnel Lens Solar Condensing Light Focal Length Magnifier