Perform any number of optical experiments with this set of six high-quality acrylic prisms. Includes rectangular block (75 x 50 x 15 mm), semi-circle (90 x 15 mm), equilateral (75 x 15 mm), double convex lens (90 x 23 mm), 2 double convex lenses (90 x 10 mm), a guide book, and storage/carrying case. |