20X20MM Focal Length 13MM Square PMMA Fresnel Lens Optical Concentric Threaded Solar Concentrator Magnifying Lens

55X55MM Focal Length 70MM Square PMMA Fresnel Lens Optical Concentric Threaded Solar Concentrator Magnifying Lens

50X50MM Square PMMA Fresnel Lens Optical Concentric Threaded Solar Concentrator Magnifying Lens LED Lighting Lenses

120X120mm Square PMMA Fresnel Lens Optical Concentric Threaded Solar Concentrator Magnifying Lens LED Lighting Lenses

50X50MM Square PMMA Fresnel Lens Optical Concentric Threaded Solar Concentrator Magnifying Lens LED Lighting Lenses

120X120mm Square PMMA Fresnel Lens Optical Concentric Threaded Solar Concentrator Magnifying Lens LED Lighting Lenses

100X100MM Square PMMA Fresnel Lens Optical Concentric Threaded Solar Concentrator LED Lighting Magnifying Lenses

Diameter 147MM Focal Length 220MM Round PMMA Fresnel Optical Threaded Solar Concentrator Magnifying Lens LED Lighting Lenses

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175mm Optical PMMA Solar Fresnel Lens Focal Length 135mm 150mm Plane Magnifier,Solar Concentrator Magnifying Glass Lens

Optical PMMA Solar Fresnel Lens 300X300mm Focal Length 220mm 300mm 330mm 510mm 600mm Solar Concentrator Magnifying Glass 1PC

112x73mm Focal Length 100mm PMMA Rectangle Concentric Threaded Optical Fresnel Lens for Book Page Magnifying LED Lenses

300X300mm Large Optical PMMA Fresnel Lens Focal Length 300mm 330mm 510mm 600mm Solar Concentrator Magnifying

137x82.5mm Fresnel Lens Focal Length 190mm PMMA Rectangle Concentric Threaded Optical Magnifying Projector Lenses

2pcs Optical PMMA Fresnel Lens 36x27mm 38x35mm Focal Length 40mm 50mm Solar Concentrator Magnifying

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115x62mm Focal Length 330mm PMMA Rectangle Concentric Threaded Optical Fresnel Lens for Reading Newspaper Book

150x100mm Focal Length 110mm PMMA Rectangle Concentric Threaded Optical Fresnel Lens for LED Testing Instruments Lenses

Diameter 100MM Round PMMA Fresnel Optical Superfine Threaded Solar Concentrator Magnifying Lens Pitch 0.1mm

Diameter 52MM Focal Length 35MM Round PMMA Fresnel Optical Concentric Fine Threaded Magnified Lens LED Lighting Lenses

150x105mm Focal Length 160mm PMMA Concentric Threaded Rectangle Fresnel Lens for DIY Optical Lenses

Diameter 43MM Focal Length 40MM Round High Transmittance PMMA Fresnel Optical Concentric Fine Threaded Lens Plastic Lenses

Diameter 225MM Focal Length 370MM Round PMMA Fresnel Optical Concentric Fine Threaded Magnified Lens LED Lighting Lenses

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140x110mm PMMA Rectangle Concentric Threaded Optical Fresnel Lens Magnifying Projection Lenses

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