Our ALPHA MAGNIFIER LAMP is constructed of a die-cast aluminum shade mounted on a heavy-duty internally mounted spring loaded K-arm (no visible springs). The arms can be adjusted into and infinite variety of positions. The light source is provided by a 22 watt circline fluorescent tube that provides cool, shadowless light. The lens used within this magnifier is a precision ground, 5" glass lens that offers distorion-free, edge-to-edge viewing. Three different magnification powers are available for this lamp: 3, 5, and 8 diopter. The Alpha magnifier lamp has a 46" reach on a internally mounted spring loaded jointed arm with a universal pin mounting system. This lamp comes with a Tite-Grip metal clamp can be mounted to the edge of any working surface up to 2" in thickness. The Tite-Grip mount allows for 360 degrees of rotation. This product is both UL and cUL approved. The Alpha magnifier lamp is only available in the color of white. The universal pin mounting system allows the lamp to be used in any number of permanent mounting brackets, table top stands and floor stands (See page MA-5, Stands and Mounts for more details).