WonderPana 186mm Slim Circular Polarizer (CPL) Filter for WonderPana 186 Systems<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"> Premium grade optical glass filter; high quality， double threaded， slim CPL filter. </span></li><li><span class="a-list-item"> Darken the skies and add contrast to clouds for better separation and saturation. </span></li><li><span class="a-list-item"> Minimize or eliminate reflections from water， windows， wet leaves， glass and eyeglasses. </span></li><li><span class="a-list-item"> Other 186mm Filters Include: MC-UV， MC-CPL， Slim ND4/8/16/32/1000 </span></li><li><span class="a-list-item"> 24-Month Manufacturer Warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51%2BtL-kq8JL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41M3i9UppeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vcg%2B4fOeL.jpg" noproxy>