Equilateral Prisms, Acrylic, Length 25mm, Face size 25mm High quality, durable acrylic prism, perfect for student use. Great for studying refraction principles. 25mm length with a 25mm face. Product Details BrandEISCOManufacturerEISCOProduct TypeScience Lab Education Curriculum SupportMpnPH0554AC Optical Quality Acrylic Prism polished on all faces25mm length, 25mm faceRefractive index close to optical glassCan produce rainbow from a non-monochromatic light source such as sun lightMade of acrylic which will not break or chip like glass, is a softer material so handle with care to prevent scratching Check out my other items. Powered by