Vello TC-DB-II Tripod Collar D for Canon EF 100mm f/2.8L Macro IS USM Lens<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"> Improves Camera/Lens Balance | Safety Lock Prevents Accidental Release </span></li><li><span class="a-list-item"> Landscape and Portrait Alignment Marks | Simple to Install and to Remove </span></li><li><span class="a-list-item"> Rotates for Horizontal/Vertical Shooting | Thumbscrew Tightens and Loosens Ring </span></li><li><span class="a-list-item"> Secure Fit </span></li><li><span class="a-list-item"> 3/8"-16 to 1/4"-20 Bushing Adapter， Limited 1-Year Warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41WzMMNPVLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UNyLiKHtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412quyv%2BpNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41HXS4GDb4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41BPlqt2FdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5189AWfmmLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51N7r9gJJhL.jpg" noproxy>