High Quality, Scratch Resistant Set

• Made of smooth, polished glass for durability and brilliant transmission of light
• The set is housed in a protective case

Use this seven-piece set of superior prisms and lenses to teach a whole range of optical principles. 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.