ERHIndia 8 Pcs of Convex lens for Science Experiments  (White)

Perfect to study the principles of light and great in use for experiments based on the principles of light. Spherical, optically worked glass, with ground edges, highly polished. Includes two double convex lenses with dia. 50 mm having focal length 100 & 200 mm and two double concave lenses of dia. 50 mm with focal length 100 & 200 mm. All lenses are 50 mm in diameter.