Tomshine 30mm Equilateral Prism Optical Glass Triangular Prism Triple Prism for Rainbow DIY Photography Teaching Props

Features: A beam of bends as it passes through the glass prism then the prism disperses the into various colors in the rainbow. The equilateral prism with three 30mm equal sides. Surfaces and edges are well polished without burrs. Crystal clear prism has better transmittance and refraction effect. Made of K9 optical glass that has excellent performance. For teaching experiment optical experiment promoting rainbow DIY taking pictures etc. Specifications: Type: 30x30x100 / 30x30x150 / 30x30x200 (Optional) Side Length: 30mm / 1.18in Item Weight: 100g / 169g / 346g Material: K9 optical glass Packing List: 1 * Prism