Features: * EF-NEX IV adapter is able to adapt EF/EF-S 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.
Upgraded Function (Comparison with EF-NEX): 1.Two Auto Focus model : a) PDAF (phase detection auto focus): Focus speed is faster. b) CDAF (contrast detection auto focus):Focus success rate is higher 2.Firmware upgrade can be operated via the USB port. 3.Support more Canon lenses and Sony E mount cameras
Notice: 1) You need to set Auto focus model before install adapter in camera. 2) If you want to change Auto focus model , you need to tear down adapter , slide button to you want auto focus model , then install it again.
Specification: Front mount: for Canon EF mount Rear mount: for Sony NEX E mount Tripod screw: 1/4 screw Max. diameter and length: 7.2 * 8.4cm / 2.8 * 3.3in Package size: 12 * 10 * 6.5cm / 4.7 * 3.9 * 2.6in Package weight: 190g / 6.7oz