Feature●DOUBLE CONVEX || Highly polished, double convex lens●SPHERICAL || Lens measures 100mm in diameter●200MM FOCAL LENGTH || Converging lens with a 200mm focal length●OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges●GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refractionDescription
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.