Neewer Manual Focus Lens Mount Adapter with Aperture Dial for Nikon G,F,AI,S,D Lenses to Sony E-Mount Nex Cameras Sony A7 A7S/A7SII A7R/A7RII A7II,A6000,A6300,NEX-3,NEX-5,NEX-5N,NEX-7,NEX-7N,NEX-C3 Skid-proof grooves provides firm feeling to adjsut your aperture with a dial of 8 stops . Could be widely used for Nikon lenses (G, F, AI, S, D type) Special paint to minimize the bothering internal reflection. Manual focus lens mount adapter that can reach infinity focus. To enhance convenience, it comes with 1/4" female thread screw tripod foot to enable tripod connection.