Light fixture with focusable LED light bulb from inside the heat sink

A focusable lighting system comprising:

• a base body having front and rear surface portions, top and bottom surface portions, and two side surface portions;
• a first light source disposed on the front surface portion of the base body;
• a cover body having a front opening portion connected to an inner space portion of the cover body, a rear cover portion, top and bottom edge portions provided between the front opening portion and the rear cover portion, and two side portions;
• one or more second light sources, each of which being disposed on a top surface of a first cylindrical platform in the inner space portion of the cover body so as to illuminate a front side of the front opening portion through the front opening portion;
• one or more convex lenses, each of which having a second cylindrical platform being installed on each of the one or more second light sources;
• and
• a plurality of focus controllers, each of which being installed on each of the one or more convex lenses in the inner space portion of the cover body and configured for controlling a distance between the corresponding second light source and convex lens and providing a light beam ranging from a directional narrow focused spot light to a wide spreading flood light.