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. More robust and stronger due to zinc alloy core. Greatest conductivity due to gold-plated pins for the signal transmitting. Full-frame adapter aperture hole design, perfectly supports Sony full-frame camera A7/A7R. Built in anti-shaking function. 1/4 Female thread screw for mounting onto the tripod.