EISCO Double Concave Lens, 100mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms
$9.99
Description
DOUBLE CONCAVE || Highly polished, double concave lens.SPHERICAL || Lens measures 1.5" (38mm) in diameter and is approximately 6.2mm thick.100MM FOCAL LENGTH || Diverging lens with a 100mm 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
