ProMaster 72mm Digital HD Circular Polarizing Filter (6448)<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"> Filter Size: 72mm </span></li><li><span class="a-list-item"> High light transmission HD polarizing material - transmits up to 25% more light than a standard polarizer </span></li><li><span class="a-list-item"> Premium Schott optical glass </span></li><li><span class="a-list-item"> Precision machined aluminum ring with matte finish and knurled edges </span></li><li><span class="a-list-item"> Super slim 4.5mm effective profile </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41zhaDcBObL.jpg" noproxy>