30cm Optical PMMA Fresnel Lens Solar Concentrator Magnifying Glass

1pc Dia 250mm Optical PMMA Fresnel Lens Focal length 120mm 230mm 250mm 260mm Solar Concentrater Lens

300mm Optical PMMA Fresnel Lens Solar Concentrator Large Magnifying Glass Lenses

High diopter spectacle using a flexible Fresnel lens with a combination of grooves

400*300mm F326mm Optical Pmma Plastic Spotlight Fresnel Lens For Diy Projector Plane Magnifier Solar Concentrator - Lenses - AliExpress

Diameter 140MM Round PMMA Fresnel Optical Threaded Solar Concentrator Magnifying Lens LED Lighting Lenses

Fresnel Solar Concentrator Optical Acrylic Lens With 4 Array For Green Energy, industrial magnifying glass supplier

2pcs 2.4/3/3.5/4 Inch PMMA Fresnel Lens for DIY Mobile Phone HD Projector Plane Magnifier Solar Concentrator - AliExpress

D250mm F100/120/140/185mm Optical Pmma Plastic Spotlight Fresnel Lens For Stage Lamp Solar Concentrator Magnifier Thread - Lenses - AliExpress

50mm Optical PMMA Round Fresnel Lens DIY Projector Plane Magnifier VR Lenses Concentric Focusing Fresnel Thread

Square 300X300MM PMMA Fresnel Lens Concentrating Lens Magnifying Glass Lenses Make Fire Tools Scientific Experiment Lens, Square Optical PMMA Plastic

Large Optical PMMA Fresnel Lens Focal Length 330mm Solar Concentrator Magnifying

250mm Big Face Magnifying glass Optical PMMA Solar Fresnel Lens Focal length 185mm 240mm 290mm 500mm 1000mm Concentrater - AliExpress

1pc 300mm Large Optical PMMA Fresnel Lens Focal Length Solar Concentrator Magnifying : Industrial & Scientific