Tamron AF016P-700 SP AF17-50mm F/2.8 Di II LD Aspherical (IF) Lens with Hood for Pentax AF Cameras (Black) (Model A16P)<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"> Fast 2.8 aperture throughout the whole zoom range. </span></li><li><span class="a-list-item"> Specifically designed for today's DSLR cameras with smaller sensors. </span></li><li><span class="a-list-item"> Perfect for portraiture. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Oz2FscuHL.jpg" noproxy>