Pentax DA 200mm f/2.8 ED IF SDM Lens for Pentax DSLR Cameras<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"> The Pentax 21700 is a fast high-performance DA series lens </span></li><li><span class="a-list-item"> High performance telephoto lens </span></li><li><span class="a-list-item"> SDM system creates smoother， quieter auto focus </span></li><li><span class="a-list-item"> Weather resistant and dust resistant body </span></li><li><span class="a-list-item"> Quick-shift Focus System for instant switching from auto focus to manual focus </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41FsXv36ryL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41zw0RVJqVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31G24U4ibvL.jpg" noproxy>