The SP 150-600mm G2 ultra-telephoto lens has upgraded optical performance enabling handheld shooting with remarkable definition. This new lens builds upon the success of its predecessor, including better overall optical performance and faster AF speed, VC enhancements, plus Fluorine Coating, FLEX ZOOM LOCK and Tamron tele converter compatibility. Whether birdwatching, aircraft spotting or simply getting closer to things near and far, the 150-600 G2 will give you amazing reach.