Six Seasons 2-Pack Round Fresnel Lens Diameter 220MM Focal Length 240mm Acrylic Optical Lenses for Cooking Outside, Solar Energy Fresnel Magnifier
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2PCS-PACK Fresnel Lens, Acrylic ultrathin Size: Φ220mm Focal length: 240mm Thickness: 3mm Material: PMMA(acrylic) Visual Aid for education - Great for
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Six Seasons 2-Pack Round Fresnel Lens Diameter 220MM Focal Length 240mm Acrylic Optical Lenses for Cooking Outside, Solar Energy Fresnel Magnifier Large Lens emegency fire Starter DIY Solar Projector : Arts
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Linear Fresnel Lens 300 * 300mm Focal Length 300mm Optical Linear Lens, Focal is a line, Acrylic lenses, small focus high light transmittance By SIX SEASONS TECH: : Industrial & Scientific
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Linear Fresnel Lens 300 * 300mm Focal Length 300mm Optical Linear Lens, Focal is a line, Acrylic lenses, small focus high light transmittance By SIX SEASONS TECH: : Industrial & Scientific
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Six Seasons 2-Pack Round Fresnel Lens Diameter 250mm9.84 India
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Six Seasons 2-Pack Round Fresnel Lens Diameter 170MM Focal Length 150mm for Solar Collecting, for Cooking Outside, Solar Energy Fresnel Lenses Magnifier fire Starter Optical Fresnel DIY Solar : Industrial
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1Pc Dia 300mm Large Optical Plastic Big Solar Fresnel Lens Focal Length 120 220 400 360mm Solar Concentrator Magnifying Glass Thcikness 2mm (Size : 300mm, Color : 120mm) : Industrial & Scientific
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Fresnel Lens
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Scientrific Term 3/4 2012 Flyer
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six seasons 2-Pack Fresnel Lenses Φ110mm(4.33) Focal Length 100mm Acrylic Fresnel Magnifier for Solar Heating,Equipment Lens,Lighting Concentrator,Visual Education (Focal Length 100mm) : Industrial & Scientific
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2-Pack Fresnel Lenses 280 * 280MM Focal Length 600MM Acrylic Optical fresnel lens Fire Starter/Solar Oven/Scientific Research&Education/DIY Projection TV PLANS By Six Seasons: : Industrial & Scientific