Electronic Adapter Ring Auto-focus for Canon EF EF-S Lens Used for Sony NEX E Mount Camera NEX-5 NEX-5N NEX-5R NEX-6 NEX-7 NEX-VG10E NEX-VG20E NEX-VG30E a5000 a5100 a6000 a6300 a7 a7R a7II a7RII