Demonstration Lens Set 38mm Glass
This set contains 6 lenses, one each of double convex, plano-convex, concavo-convex, double concave, plano-concave and convexo-concave.
This set contains 6 lenses, one each of double convex, plano-convex, concavo-convex, double concave, plano-concave and convexo-concave.