Sigma's 70-300mm F4-5.6 DL Macro Super is one of several tele zoom lenses. It is a compact tele zoom lens. It is a Tele-Macro Zoom lens, capable of focusing down to 1:3.5 reproduction ratio at 300mm focal length with superb optical quality. A detachable bayonet hood is provided. The lens materials used in this new product are lead and arsenic free ecological glass.