Equilateral Prism, Material: optical glass, Perfect for optical refraction experimentation, Will create a rainbow with any standard light source (led from a phone will work), Because of their educational use design, do not affect physical function, Size: 75mm lengthx25mm face size
Equilateral Prism, Material: glass, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (in room light) by using the simple led light of a smart phone, User will need to create a small slit in black piece of paper and use, Size: 6in Hx1in W