VILTROX DG-NEX AF Auto-focus Macro Extension Tube for Sony NEX E-mount Camera NEX 3/3N/5/5N/5R/A6000/A6300 , Full Frame A7 A7S/A7SII A7R/A7RII A7II Compatible with Sony NEX, E-mount series Micro DSLR. Aperture hole design, perfectly support Sony full-frame camera A7/A7R/A7S/A7 II 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) Get get the CE, EMC, FCC, RoHS certification , the quality is assured. it comes with 60-Days return-back guarantee when you received the item but you do not satisfied with our item.