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