Abstract: A high efficiency light which includes a conical lamp shade having a light reflecting inside wall, a circuit board mounted on inside the lamp shade and holding a set of LEDs, a hemispherical inner lens covered on the circuit board over the LEDs inside the lamp shade, the hemispherical inner lens having a center convex lens portion and a plurality of annular convex lens portions around the center convex lens portion, a flat intermediate lens covered on the front open side of the lamp shade, the flat intermediate lens having a center convex lens portion and a plurality of annular biconvex lens portions around the center convex lens portion, and a hollow rounded outer lens mounted on the front open side of the lamp shade over the flat intermediate lens and sealed by a packing ring, the hollow rounded outer lens having a center convex lens portion, a plurality of annular convex lens portions around the center convex lens portion, and a plurality of beehive-like convex lens portions around the annular convex lens