Sigma 24-70mm f3.5-5.6 D HF Aspherical Autofocus Zoom Lens w/ Shade for Nikon
This is a high quality full frame zoom lens for Nikon cameras with a focus motor built in the body (ask if you're not sure!). It is small and lightweight with a very useful focal range for day to day shooting.
This one is in excellent condition with light wear. The glass is clean and scratch-free with no haze, fungus or other problems. The autofocus is accurate.