This is a high quality AF Confirm M39 Lens to Canon EOS Adapter. You can use this camera adapter ring in conjunction with the camera adapters to complete the connection to a digital camera supporting a filter thread.<!--Features --><p>FEATURES</p><ul class="p_f"><li>New and high quality, EOS-NEX Aperture Size can be adjusted</li><li>Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter</li><li>It is able to focus to infinity</li><li>Made of aluminum (not plastic)</li><li>For some lenses, there will be vignetting with varied extent</li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody> <tr> <td width="131">Dimensions</td> <td width="365">2.52 x 0.28 in (R x H)</td></tr> <tr> <td width="131">Weight</td> <td width="365">0.74 oz</td></tr> <tr> <td width="131">Color</td> <td width="365">Black</td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x AF Confirm M39 Lens to Canon EOS Adapter</li></ul><!--Extra Info --><!--produts_compatibility -->