What Is A Double Convex Lens?

What Is A Double Convex Lens? double convex lens. A double convex lens, or converging lens, focuses the diverging, or blurred, light rays from a distant object by refracting (bending) the rays twice. What is a double concave lens? Bi-Concave (Double-Concave) lenses have equal radius of curvature on both sides of the lens and function