Welcome to our shop! Features: A great way to add creative effects to your photos, films, or videos. Achieve rainbow colors, stunning looks, beautiful reflections, or light refractions without even using Photoshop. It can be mounted on a tripod for precise prism positioning or placed in front of the lens to free your hand while taking a photo. Show your children a rainbow, or use our photography prism to create unique images. Material: Lead-free K9 optical glass, not plastic. Use this equilateral prism to split a beam of light into its spectral components (the colors of the rainbow). Specifications: Material: K9 Optical Glass Size: 150mm / 5.9 inches 1/4 inch threaded hole Note: Please allow 1-3 cm error due to manual measurement. Make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Triangular Prism 1x Stand Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!