WonderPana 145 System Core &amp; Lens Cap - 145mm Filter Holder for Sigma 14mm f/2.8 EX HSM RFUltra Wide Angle Lens (Full Frame)<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 Anodized Aluminum WonderPana 145 Core Unit </span></li><li><span class="a-list-item"> 145mm x 1mm Standard Thread Enabled </span></li><li><span class="a-list-item"> Finely Crafted， Heavy Duty Inner Pinch Lens Cap </span></li><li><span class="a-list-item"> Variety of 145mm Round Filters Available </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/51rFaXD1u5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ShautzQaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Y-X59wiRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41li%2BBjYN5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41hvk4zDe4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41YKTJLa3aL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61yYXVkLVFL.jpg" noproxy>