Ray Optics Tabletop Kit: explore how lenses work with this inexpensive experimentation kit featuring three parallel laser beams and 2-D versions of lenses and other shapes that use refraction to alter the direction of light. Here a doubly concave lens interacts with the beams from a doubly convex lens. ➡️ Follow the link in my profile for info on where to get this very affordable demo kit and other amazing items featured here on @physicsfun #optics #lens #convexlens #internalreflection #refracti

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