These filters were exactly what I was looking for to demonstrate subtractive and additive color theory. The colors are true CMY and red green blue. With a $20 lightbox and some flashlights, I have exactly what I need!
Optical Crystal Photography Prisms Science
3 Review
πΈ Unleash Your Creative Potential with the Young4Us Triangular Photography Teaching Spectrum
3 Review
Enhancing Learning with Optical Photography Triangular Teaching Education
3 Review
π Diffraction Grating Slides by Rainbow Symphony
3 Review