Movo Photo AF Macro Extension Tube Set for Canon EOS DSLR Camera with 12mm， 20mm &amp; 36mm Tubes (Metal Mount)<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"> Includes 12mm， 20mm &amp; 36mm Automatic Extension Tubes </span></li><li><span class="a-list-item"> Enables closer focusing (Marco capability) </span></li><li><span class="a-list-item"> May be used individually or combined </span></li><li><span class="a-list-item"> Maintains auto focusing </span></li><li><span class="a-list-item"> Durable aluminum mount </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41x0UFT4ZNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41uRm0OFIKL.jpg" noproxy>