Fun with Diffraction Gratings! This makes a fantastic prop for photographers and video-graphers alike who are looking to give their media, motion or still, an extra special detail- RAINBOWS!  Preprinted Rainbow Peepholes. They are also the ideal teacher incentive! Great in the classroom when a quality diffraction grating is needed for the study of Light and Color, or as a tool for good behavior. Just look through your Rainbow Peephole at any light source…the rainbow starbursts will amaze you! RAINBOW PEEPHOLES: 13,500 Line/Inch Diffraction Grating – 1 11/16″ Diameter, 1/2″ Window – Heavy Cardboard in fun and vibrant colors and designs.

You’ll receive two rainbow photography peepholes through this listing.