Buy from Amazon.com : http://fave.co/1GnG7X9 <br /><br />Sigma 24-70mm f/2.8 EX DG Macro Aspherical Large Aperture Standard Zoom Lens for Canon SLR<br /><br />Product Description : <br />Accepts 82mm size filters <br />Variable zoom offers excellent image definition and increases your creative possibilities when compared to a standard 50mm normal lens <br />The use of two 2 SLD The Special Low Dispersion glass elements results in excellent correction of chromatic aberration for a high level of optic integrity <br />The lens materials used in this new lens are lead and arsenic free ecological glass
