The Sigma 150mm f/2.8 EX DG APO Macro OS HSM for your Nikon body is an APO lens made by Sigma. This means that this 150mm conforms to high standards. You'll notice this in sharp images without distortion. Other than that, SLD lens elements prevent unwanted aberrations and the image stabilizer makes it a little easier to control the exposure. Aside from this, the second stabilizer mode allows you to pan. When doing this, it's advisable to use a tripod. Choose a tripod on this page. Looking for a macro lens which is a little easier to shoot portraits with? Check out the Sigma 105mm f/2.8 EX DG Macro .