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Physical Optics Experiment Kit Physics Interest Development Optical Bench Set Concave Convex Lens Imaging Pinhole Imaging, Acrylic lens: crystal clear light, strong penetrating power, obvious experimental effect Long base, clear scale, fine workmanship, quality assurance Various experiments including small hole imaging, convex lens/concave lens imaging, light... Physical Optics Experiment Kit Physics Interest Development Optical Bench Set Concave Convex Lens Imaging Pinhole Imaging,

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