NEEWER 3 Pack Triangular Prism Set, 2.4"/6cm, 4"/10cm, and 6"/15cm K9 Crystal Optical Glass for Prism Photography, Rainbow Effects Photo Photography Prism, Teaching Light Spectrum Physics - 99098575

• 【Colorful Spectrum】 Triangular prism refracts a light source and splits it into different colors, hence a full spectrum of rainbow colors will appear in your photography 【3 Length Options】 3 prisms are 6" (15cm), 4" (10cm), and 2.4" (6cm) long, respectively, easy for handheld use. And they all have a 1.3" x 1.3" x 1.3" (3.4 x 3.4 x 3.4cm) equilateral triangle base that can stand stably on the table 【Clear Optical Glass】 Made of K9 optical glass crystal, this prism is exceptionally clear and features better light transmission 【Broad Application】 Designed to add creative effects to your photoshoots, including rainbows, lens flare, and color cast. Perfect for portraits, album covers, wedding photos, landscapes, science projects, light analysis, and more 【Package Contents】 1 x 6"/15cm Triangular Prism, 1 x 4"/10cm Triangular Prism, 1 x 2.4"/6cm Triangular Prism, 1 x Storage Case, 1 x Cleaning Cloth