Material and clarity: made of glass with transparency, the optical demonstrator provides clear, distortion observation of light behavior during demonstrations. Dispersion demonstration: disperses light to visually show how a beam splits into its spectrum, helping students understand light dispersion. Light synthesis demonstrator: uses an equilateral physical optics demonstrator to split a beam of light into its spectral components (the colors of the rainbow), illustrating spectral separation in a straightforward setup. Educational use: suitable as a laboratory apparatus and teaching apparatus for physics, encouraging creative and handson learning. Visual learning advantage: physics teaching apparatus designed to more visually show the dispersion of light, enhancing understanding of optical concepts through observation. Practical equipment: part of optical experiment equipment and general laboratory gear, suitable for classroom and lab environments. Use scenarios Classroom demonstration: in a school or introductory physics class, this setup can clearly show how white light disperses into a spectrum, linking theory to visible results. Optics laboratory module: in college or university physics labs, students can explore dispersion and spectral components using the equilateral physical optics demonstrator as a handson learning activity. Teacher demonstrations: in lecture or demonstration settings, instructors can present dispersion concepts with a visual, observable setup to bolster student engagement and comprehension.