Viltrox EF-NEX III Auto Focus EF-NEX EF-E MOUNT Lens Mount Adapter for Canon EF EF-S Lens to Sony NEX E Mount A5000/A5100/A6000/A6300/3/3N/5N/5R/7/A/A7R Full Frame EF-NEX adapter is able to adapt EF/EF-M lens to Sony NEX E Mount Camera, which allows you to have more purchasing choices of lens. Maintain of Auto Focus (AF) function. Aperture exactly being aligned via the mount adapter. Full-frame adapter aperture hole design, perfectly supports Sony full-frame camera A7/A7R. Built in anti-shaking function. More robust and stronger due to zinc alloy core. Greatest conductivity due to gold-plated pins for the signal transmitting. 1/4 Female thread screw for mounting onto the tripod.