This item can allow the Canon EF series lens to be used perfectly on E-mount APS-C frame camera from Sony， achieving auto focus and increase aperture to get nearly full-frame effect.Features:Allows the Canon EF series lens to be used on E-mount APS-C frame camera bodies from Sony.Can auto focus and increase aperture to get nearly full-frame effect.Special optical configuration， 4 elements 4 groups.Can be attached to tripod mount.Comes with covers and a plastic case for protection and ease of transport.Specifications:Compatible lens: Canon EF series lensCompatible cameras: Sony E-mount series(APS-C)Front mount: Canon EF mount compliantRear mount: Sony E-mount compliantOptical configuration: 4 elements 4 groupsFocus length multiplier: 0.71Tripod socket: Cu 1/4 * 1Max. diameter and length: 71 * 83mm / 2.8 * 3.3inProduct size: 8 * 6.5 * 4cm / 3.1 * 2.6 * 1.6inProduct weight: 202g / 7.1ozPackage size: 10 * 9 * 6cm / 3.9 * 3.5 * 2.4inPackage weight: 307g / 10.9ozPackage List:1 * Auto-focus Adapter EF-E1 * Tripod Mount Knob2 * Covers1 * User Manual (English & Chinese)"
