EACHSHOT DG-NEX Aluminum Auto Focus AF Macro Extension DG Tube Auto Focus With Full Frame for Sony E-Mount A7 AR7 A6000 For Sony A7,AR7,A6000 Full Frame of E-mount Camera This extension supports Sony full frame function Includes 2 extension tubes: 10mm, 16mm, totally 3 combinations It enable you to transform your digital camera lens into a macro lens with this Macro Extension Tube Set for Sony NEX (support auto focus) Of Aluminum with Auto Focus AF function