Sigma 17-50mm f/2.8 EX DC OS HSM FLD Large Aperture Standard Zoom Lens for Sigma Digital DSLR Camera<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Focal length from 17mm wide angle and offers a large aperture of F2.8 throughout the entire zoom range </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51P45W98oGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51dCksf5DnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ttrylLS5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/81eJh9PV8oS.png" noproxy>