Sigma 340109 35mm F1.4 DG HSM Lens for Pentax (Black) - International Version (No Warranty)<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"> 35mm focal length， 52.5mm equivalent focal length on APS-C cameras， 56mm equivalent focal length on Canon APS-C cameras </span></li><li><span class="a-list-item"> F1.4 maximum aperture; F16 minimum </span></li><li><span class="a-list-item"> Ring-type ultrasonic-type AF motor with full-time manual focusing </span></li><li><span class="a-list-item"> 67mm filters </span></li><li><span class="a-list-item"> 0.30m/11.81" minimum focus </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4122xlpvePL.jpg" noproxy>