Pentax 49mm Lens Cap for the Pentax D FA 50mm &amp; 100mm f/2.8 Lenses for Pentax and Samsung 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"> Lens cap， fits lenses with 49mm filter threads. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/512xHImP%2BqL.jpg" noproxy>