Product overview quality 180 mm glass triangular prism designed for demonstrating light dispersion, photography effects, and use in optical instrument setups. The prism produces clear separation of white light into its visible spectrum for teaching, experimentation, and creative imaging. Key benefits Visible spectrum demonstrations: Converts white light into a broad, easily observed rainbow for classroom and lab demonstrations of refraction and dispersion. Clear optical performance: Precisionground glass faces provide predictable refraction and reliable spectrum separation for consistent experimental results. Versatile for education and practice: Useful for physics lessons, optical experiments, and photographic effects where controlled light dispersion is required. Practical size: The 180 mm length creates a sizeable dispersion pattern that improves visibility at a distance and makes demonstrations easier to observe by groups. Product details and attributes Type: Triangular prism for optical experiments and photography Size: 180 mm length Material: Optical glass Function: Refracts and disperses white light into component wavelengths to produce a visible spectrum or rainbow Compatibility: Suitable for use with optical benches, prism holders, teaching kits, and photographic setups that accommodate a 180 mm prism How this prism solves common problems Makes abstract concepts tangible: Demonstrates the physical behavior of light in a direct, visible way that helps students and observers understand refraction and dispersion. Improves demonstration visibility: Larger prism size produces a broader spectrum, reducing the need for very narrow light sources and allowing group viewing without complex projection systems. Adds creative photographic options: Photographers can introduce natural rainbow effects and color separation without digital manipulation, expanding creative techniques. Use scenarios Classroom physics demonstration: Place a collimated white light source at one face to show refraction and spectral separation across a screen or wall for group instruction. Photography and creative lighting: Position the prism in front of a studio or natural light source to produce controlled rainbow effects on subjects, backgrounds, or product shots. Optical prototyping and instrument testing: Integrate the prism into bench setups to study wavelengthdependent behavior, beam deviation, and alignment in optical instrument development. Care and handling Handle the glass prism carefully to avoid chips and scratches on optical faces. Clean with appropriate optical cleaning materials to preserve clarity and performance. Store in a padded box or protective case when not in use to prevent damage. This 180 mm glass triangular prism is a practical, straightforward tool for teaching light spectrum principles, adding spectral effects to photography, and supporting basic optical experiments and instrument testing.