• A9/A7R3/A7R2/A7M3/A7M2/A6500/A6300 camera body support PDAF or CDAF , A7R/A7S2/A7/A7S/NEX-7/A-6000/A5100 only support CDAF, please change focus mode before connect to camera .
  • Integrated USB port for adapter firmware update. VILTROX Official Website will upgrade compatible lenses regularly .
  • Built-in metal electronic contact, & generation focus system ,VILTROX EF-NEX IV lens adapter can achieve 50% speed improvement so as to get faster and more accurate focus than ever before .
  • It can realize AF,adjustable aperture from camera body to lens's aperture .
  • Compatible with Canon EF/EF-S lens . Please Note , Auto Focus DOES NOT support when shoot video .



VILTROX EF-NEX IV is the fourth generation electronic adapter produced by VILTROX, two main features are added on EF-NEX IV:


- Integrated USB port for adapter firmware update , VILTROX will update the firmware regularly.

- Manual switch to change between CDAF and PDAF mode


# To change AF mode, adapter should be detached from camera, switch to desired AF mode on EF-NEX IV, then attach adapter again.


VILTROX will upgrade the firmware regularly .

USB port

Focus mode


USB port

Built-in USB port for firmware upgrade .


a) PDAF (phase detection auto focus ): Shorten the focus distance to speed up focusung process , focus speed is faster ; 

b) CDAF (contrast detection auto focus): By moving the lens glass to make the image in the focusing area clearner ,focus success rate is higher .

Aperture control

Record EXIF data includes aperture, focal distance etc.


E-mount camera  camcorder electronic contact  chip


  • Support Sony A9/A7 series /A6XXX/NEX cameras and VG camcorders* Support lens Image Stabilizer
  • Extend approx. 4.5mm max. Distance can be adjust accordingly 



Package includes


  • Extension Tube *1
  • Tripod mount adapter *1
  • Lens cap *2 
  • Manual *1