Sigma 70-200 mm F2.8 EX DG OS HSM Lens (77mm filter thread) for Nikon lens mount (Electronics)
At first I bought this lens because of the very good price. However, I was thrilled at the first recording reached in terms of focus and autofocus. The autofocus seat easily. Then I thought to myself, what is now on the 1000 Euros more expensive Nikk