Crystal 6 inch Optical Glass Triangular Prism for Teaching Light Spectrum Physics and Photo Photography Prism, 150mm

Use this equilateral prism to split a beam of light into its spectral components (the colors of the rainbow).^
Side Length: 1.38 inch / 35mm, Wider than most other prisms on the market. Makes them easier to hold and use.^
Show your kids a rainbow, or use our prism for photography to create unique pictures.^
Material: Lead free K9 optic glass, not plastic.^