PENTAX DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye Lens for Pentax Digital SLR<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" 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"> 10-17mm fisheye lens with f/3.5-4.5 maximum aperture for Pentax digital SLR cameras </span></li><li><span class="a-list-item"> Creates images with expanded perspective， with creatively deformed outlook and sharp pan focus </span></li><li><span class="a-list-item"> Image circle is designed to perfectly match 23.5 x 15.7mm CCD used in Pentax digital SLRs </span></li><li><span class="a-list-item"> Water- and oil-repellant SP lens coatings; extra-low-dispersion glass for superior sharpness </span></li><li><span class="a-list-item"> Minimum focusing distance of 0.46 feet; measures 2.8 inches in diameter; weighs 11.3 ounces </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41XTZpmHiPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/7163Wo-jhUS.png" noproxy>