Lens Set, lens sets are ideal in the classroom for doing optical experiments comparing focal lengths and convex vs. concave lenses., Pack of 6

Details:

Three diameters for a variety of uses.With ground and polished faces and ground edgesOne each: of double convex, plano-convex, converging concave-convex, diverging concave-convex, double concave, plano-concaveEach size is set of sixGlass Lens SetsS96196: 50mm diameterS96197: 38mm diameterAcrylic Lens SetS96198: 50 mm diameter