Adjustable table lamp providing direct lighting, with pantograph arm and adjustable head. Fused aluminum alloy body. Die-cast aluminum outer head, with injection-molded methacrylate diffuser. Base external cover in ABS with white, anthracite or black finishes. Extruded aluminum alloy square tube (12x12mm) structure, machined mechanically, so that it houses a stainless steel load-compensation spring and injection-molded acetal resin sliding blocks. The ON/OFF switch is electronic with optical mechanism located in the head.