Photo 1 of 2-Pack Large Fresnel Lenses ?300mm(11.81"), Focal Length 120mm, Acrylic Magnifier for Solar Heating, Solar Cooking, Visual Education. (Focal Length 120mm)

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Photo 1 of 2-Pack Large Fresnel Lenses ?300mm(11.81"), Focal Length 120mm, Acrylic Magnifier for Solar Heating, Solar Cooking, Visual Education. (Focal Length 120mm)Photo 2 of 2-Pack Large Fresnel Lenses ?300mm(11.81"), Focal Length 120mm, Acrylic Magnifier for Solar Heating, Solar Cooking, Visual Education. (Focal Length 120mm)