Viltrox EF-NEX IV Auto Focus Lens Mount Adapter


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3,990 ฿ 4,500 ฿

Viltrox EF-NEX IV Auto Focus Adapter for Canon EOS EF/EF-S Lens to Sony E Full Frame A7 A7R A6000 A7SII A6300 NEX-7

VILTROX EF-NEX IV Adapter mount Canon lens interchangeable Sony Full frame A7 series camera Auto focus

Viltrox EF-NEX IV Electronic Adapter Viltrox EF-NEX IV is the fourth generation electronic adapter produced by Viltrox for Canon EF or EF-S lenses to be used on Sony A9, A7, A6XXX and NEX series cameras. Two main features are added on EF-NEX IV:

– Integrated USB port for adapter firmware update
– 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 for camera to recognize new AF mode as a new lens.

Many people will ask why switch between CDAF and PDAF? When lens use with CDAF mode with good contrast, you can get focus point across the frame. However, for older lens model, focus speed will be slow or not even focus. PDAF is the fastest way to focus for both AF-S and AF-C. The focus area is limited depends on camera model.

There may be partial lenses and cameras that cannot use this adapter, we will update the firmware in time , also appreciate please tell me your camera and lens model if they are not compatible ,our engineers will update that firmware ASAP .
We will upload the Upgrade Package regularly , please refer to VILTROX Official Website .

Product features:
– Support Sony A9/A7/A7R/A7S/A6XXX/NEX cameras and VG camcorders*
– Support Contrast Detection and Phase Detection Auto Focus mode
– Support EF/EF-S lenses manufactured by Canon, Sigma, Tokina and Tamron
– Record EXIF data includes aperture, focal distance etc.
– Support on camera aperture adjustment and metering
– Support lens Image Stabilizer
– Extend approx. 4.5mm max. Distance can be adjust accordingly
– The only adapter in the market CNC adatper tube and camera mount in one piece for the best strength.
*VG series does not support AF
Two Focus Model

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 .
Built in anti-shaking Function


Aperture exactly being aligned via the mount adapter.

Built in anti-shaking function.

Professional extinction treatment: spiral inner wall to absorb high-reflective light.


– Support Sony A9/A7 series full frame /A6XXX/NEX cameras and VG camcorders.

– Support EF/EF-S lenses manufactured by Canon, Sigma, Tokina and Tamron



With 1/4″ detachable 1/4 Tripod foot mount adapter .
mount your lens on a tripod easily with this quick release plate.
Ideal camera accessory aims to giving users wonderful using experience.


Package includes :

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


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