Pentax K-Mount HD DA 21mm f/3.2 ED AL 21-21mm Fixed Lens for Pentax KAF 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"> Wide-angle equivalent to 31.5mm in the 35mm format </span></li><li><span class="a-list-item"> Ultra-thin， pancake design， landscapes， buildings， interior rooms </span></li><li><span class="a-list-item"> High-grade multi-layer HD (High Definition) Coating </span></li><li><span class="a-list-item"> Unique super-compact design in two colors </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cgzP3bkIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GufXtL0uL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gBOWuffAL.jpg" noproxy>