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

250x170mm Focal Length 530mm PMMA Concentric Threaded Rectangle Fresnel Lens for DIY Optical Lenses Outdoor Tools

Diameter 280MM Focal Length 160MM Round PMMA Fresnel Optical Concentric Fine Threaded Magnified Lens LED Lighting Lenses

Ultra Small Size 38x35mm Focal Length 50mm PMMA Rectangle Concentric Threaded Fresnel Lens Optical Instrument LED Lenses

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

180x160mm Focal Length 210mm Rectangle Fresnel Lens PMMA Concentric Threaded Optical Lenses for Scientific Experiment

160x110mm Focal Length 110mm PMMA Rectangle Concentric Threaded Optical Fresnel Lens Projector Projection Lenses

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

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

240x360mm Rectangle Concentric PMMA Fresnel Lens Focal Length 500mm Threaded for DIY Solar Energy Condenser

240x360mm Rectangle Concentric PMMA Fresnel Lens Focal Length 500mm Threaded for DIY Solar Energy Condenser

Focal Length 140mm PMMA Rectangle Concentric Threaded Fresnel Lens for DIY Oblong Solar Energy Condenser

190x120mm Focal Length 240mm PMMA Rectangle Concentric Threaded Fresnel Lens Stage Lights Projector Lenses

Diameter 150MM Round PMMA Fresnel Optical Concentric Fine Threaded Lens Focal Length LED Lighting Transparent Lenses

110x80mm Focal Length 130mm PMMA Rectangle Concentric Threaded Fresnel Lens Projector Solar Energy Condenser Focus Lenses

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

Diameter 60MM Round PMMA Fresnel Optical Concentric Fine Threaded Lens Focal Length LED Lighting Plastic Lenses

Diameter 270MM Focal Length 100MM Round PMMA Fresnel Optical Concentric Fine Threaded Magnified Lens LED Lighting Lenses

Diameter 100MM Round PMMA Fresnel Optical Concentric Fine Threaded Lens Focal Length LED Lighting Plastic Lenses

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

Focal Length 220mm PMMA Rectangle Concentric Threaded Fresnel Lens Solar Energy Condenser Focus Lenses

100x80mm Focal Length 130mm PMMA Rectangle Concentric Threaded Fresnel Lens Projector Solar Energy Condenser Focus Lenses

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

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

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

Ultra Small Size 36x27mm PMMA Rectangle Concentric Threaded Fresnel Lens Optical Instrument LED Lenses

147mm Focal 220mm Round Fresnel Lens PMMA Condenser Threaded Lenses DIY Magnifier LED Light Projection Lamp Concentric Lens

164mm Focal 260mm Round Fresnel Lens PMMA Condenser Threaded Lenses DIY Magnifier LED Light Projector Lamp Concentric Lens

250x270mm Focal Length 250mm PMMA Concentric Threaded Rectangle Fresnel Lens for Making Fire Outdoor Tools

183x110mm PMMA Rectangle Concentric Threaded Optical Fresnel Lens Solar Energy Condenser Projector Lenses

100x70mm PMMA Rectangle Concentric Threaded Optical Fresnel Lens Book Page Magnification Projector Lenses

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