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Fresnel Lens Diy, Pmma Fresnel Lenses, Mini Fresnel Lens, Minifier Lens
Pmma Fresnel Lens Diameter 250mm Focal Length 90/100/120/140/185/230/240/250/290/500/1000mm - Lenses - AliExpress
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Pmma Fresnel Lens Diameter 250mm Focal Length 90/100/120/140/185/230/240/250/290/500/1000mm - Lenses - AliExpress
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PMMA small fresnel lens diameter 30mm focal length 15mm 20mm 30mm 50mm
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Diameter 120mm Optical PMMA Round Fresnel Lens Solar Condensor Lens Magnifying Glass Focal Length 50mm 100mm 120mm 220mm