Description of π Eisco Double Convex Lens - Ideal Science Education Tool with Diameter and Length Features
DOUBLE CONVEX || Highly polished, double convex lens. SPHERICAL || Lens measures 3" (75mm) in diameter. 300MM FOCAL LENGTH || Converging lens with a 300mm 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 refraction.