Buy from Amazon.com : http://fave.co/1GR4A77 <br /><br />Sigma 150mm f/2.8 EX DG HSM APO HSM IF Macro Lens for Canon SLR Cameras<br /><br />Product Description : <br />Telephoto macro lens with Canon AF mount <br />Special low-dispersion glass for high image quality <br />150-millimeter focal length <br />f28 maximum aperture <br />Ultra-quiet high-speed autofocus with full-time manual focus override
