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Middle School Optical Experiment Set "1" Screen Light Convex Concave Lens Plano Convex Lenses Double Convex Lens Candle Holders

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Middle School Optical Experiment Set "1" Screen Light Convex Concave Lens Plano Convex Lenses Double Convex Lens Candle Holders

Middle School Optical Experiment Set "1" Screen Light Convex Concave Lens Plano Convex Lenses Double Convex Lens Candle Holders

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Plano Convex Lens Diameter Diameter31mm , Focal 54.92mm Optical Lenses K9 Glass Focusing Lens With AR Coating

Plano Convex Lens Diameter Diameter31mm , Focal 54.92mm Optical Lenses K9 Glass Focusing Lens With AR Coating

Plano Convex Lens Diameter Diameter31mm , Focal 54.92mm Optical Lenses K9 Glass Focusing Lens With AR Coating

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