Rokinon FE8M-P 8mm F3.5 Fisheye Fixed Lens for Pentax (Black)<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"> Lens not Zoomable </span></li><li><span class="a-list-item"> 180 degrees angle of view </span></li><li><span class="a-list-item"> Built-in petal type hood </span></li><li><span class="a-list-item"> 10 Elements in 7 groups </span></li><li><span class="a-list-item"> Aperture range of F/3.5 ~ 22 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41lvkwEVCTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51RPHgCsIiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ZDYI4CVsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/514TkBUXJOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51VGXnDPkeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/91ms9rRS0PL.png" noproxy><img src="http://ecx.images-amazon.com/images/I/81wYWS7GCrL.png" noproxy>