B+W 30.5mm XS-Pro HTC Kaesemann Circular Polarizer with Multi-Resistant Nano Coating<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"> New generation of Kaesemann High Transmission Circular Polarizer with 1 - 1.5 f-stop loss. Before up to a 3 stop loss. </span></li><li><span class="a-list-item"> This filter uses our XS-Pro Digital mount which is especially suited for DSLRs with wide angle and zoom lenses. It has a front thread for additional accessories. </span></li><li><span class="a-list-item"> MRC nano has an improved outer (8th) layer over regular MRC. The nanotechnology based characteristic (lotus effect) produces a better beading effect with water making the cleaning of this filter even simpler and faster than ever before. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41n0wJrmr0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41TWtYAMTJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51v1KHwIn-L.jpg" noproxy>