Micnova KOOKA KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF &amp; EF-S Mount 5D2 5D3 6D 650D 750D With 12mm 20mm and 36mm Tubes<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"> Kit of three extension tube sections: 12mm and 20mm， 36mm - Any combination of tubes can be used for various reproduction ratios </span></li><li><span class="a-list-item"> Designed with all the electrical and mechanical couplings to maintain auto focus and TTL auto exposure </span></li><li><span class="a-list-item"> Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance </span></li><li><span class="a-list-item"> Made of brass， Metal and plastic Construction </span></li><li><span class="a-list-item"> 1 Year Warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51iLhnNyOXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QiqipjRQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4133BWnvN-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51E4ut9wRCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41sWeZ0uqBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gTmquA0UL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41iC%2BxALAtL.jpg" noproxy>