B+W 40.5mm Circular Polarizer with Multi-Resistant Coating 66-1069184<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"> This filter uses our standard B+W F-Pro filter mount， which has a front accessory thread and is made of brass. </span></li><li><span class="a-list-item"> MRC by B+W is not only an extraordinarily effective multiple layer coating， it is also harder than glass， so that it protects filters from scratches， and it is also water and dirt repellent， thus facilitating filter maintenance. </span></li><li><span class="a-list-item"> Manufactured from Water-White Schott Glass </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Wj-9oRfzL.jpg" noproxy>