Andoer Aputure AC-MS Auto Focus Macro Lenses Extension Tube Ring for Sony E-mount Aputure Macro Tube Set AC-MS for Sony E-Mount allows your lens to focus closer. This silver appearance design blends perfectly with Sony cameras and lenses. Built-in gilded electric pins for great auto exposure, and with metal lens mounts for durability and longevity. This set includes two tubes of 10mm and 16mm for 3 different possibilities to obtain the desired magnification. Enjoy discovering macro world.