Commlite Auto-focus Mount Adapter EF-NEX for Canon EF/EF-S Lens to Sony NEX with IS Exact Exposure Auto-focus function. Aperture exactly being aligned via the mount adapter. Built-in IS function. Gold-plated pins brings the great conductivity of signal transmitting. Zinc alloy core makes the adapter strong and powerful. 1/4 Female thread screw for mounting onto the tripod.