30cm Optical PMMA Fresnel Lens Solar Concentrator Magnifying Glass Focal 220mm
€ 19.00 · 4.8 (366) · In Magazzino
2-Pack Fresnel Lens Φ240mm(9.45) Focal Length 300mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot Lens,Visual Education (Focal Length 300mm) : Arts, Crafts & Sewing
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2-Pack Fresnel Lens Φ240mm(9.45) Focal Length 300mm Acrylic Ultrathin Magnifier for Solar Heating,Solar Concentrator,fire Starter,spot Lens,Visual Education (Focal Length 300mm) : Arts, Crafts & Sewing
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