Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 3in Hx1in W
Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 100 mm focal length, Lens measures 2in diameter, 0.1 weight
Convex Mirror, Material: Glass, round, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, thickness varies as they are not designed, Size: 2in Diameter, 300mm FocalLength, 2mm Thick