Diffraction Grating Glasses - Different Fram Colors, We choose for you
Price: $ 9.95 / Each
Diffraction Grating Glasses - Make the study of light and color fun and easy. Highly efficient, 13,500 lines per inch, double axis holographic diffraction grating lenses separate light from any source into its spectral components for study and analysis. You can choose your Frame-Color from the drop down menu above.
