Optical Lens Set - Set of 6, 1.5" (38mm) Glass Lenses - Includes Wooden Storage Box - Eisco Labs

Set of six glass, optical lenses. Lenses included: (1) double convex (1) plano convex (1) converging concave convex (1) diverging concave convex (1) double concave and (1) plano concave. Each lens measures 1.5" (38mm) in diameter. Ground and polished faces and ground edges. Comes in a wooden storage box measuring 4.5" wide, 3.5" long and 2.5" tall.