Use this seven-piece set of superior prisms and lenses to teach a whole range of optical principles. Made of smooth, polished glass for durability and brilliant transmission of light. Includes the following: 45° and 60° trapezoidal prism, equilateral prism, two right-angle prisms (60mm high, 15mm hypotenuse, 10mm sides; and 51mm high, 32mm hypotenuse, 24mm sides), a double-concave and a double-convex lens that may be used together, and a semicircular lens. The set is housed in a protective case.
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