The Sigma 150–600mm f/5–6.3 DG OS HSM Contemporary Lens and TC-1401 Kit make for an ideal companion for your Nikon F-mount camera. The optical design of the lens includes 20 elements in 14 groups with 1 ‘F’ low-dispersion element and 3 special low-dispersion elements to reduce chromatic aberrations and color fringes. Additionally, the super-multi-layer coating on the front and rear optics minimizes lens flares and ghosting. With the optical-stabilizer system, you can shoot handheld without the worry of camera shakes. Moreover, the Hyper Sonic Motor works quietly and allows smooth auto focusing. The nine-blade diaphragm gets you beautiful bokeh effects on your images. The 1.4× teleconverter included in the kit is made with 7 optical elements in 5 groups to minimize color anomalies in images.