Fotodiox Pro Lens Mount Adapter， Contax G Lens to Sony NEX E-Mount Mirrorless Camera such as Alpha a7， NEX-5<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 Fotodiox "Pro" Adapter </span></li><li><span class="a-list-item"> Built-in Focus Dial for Contax G Lenses </span></li><li><span class="a-list-item"> Improved Spring Mechanism for a 'No Play' fit </span></li><li><span class="a-list-item"> Infinity Focus Allowed </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/41iXfahYU0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/514LNFscmDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iUGg8Y1uL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/512ubwbqUjL.jpg" noproxy>