Auto Focus EF-NEX Lens Mount Adapter for Sony and Canon

  • $79.95
    Unit price per 

The lens mount adapter EF-NEX is mainly used for connecting the 'Canon EF series lens' to 'Sony NEX series cameras with E-mount'. Meanwhile, the EF-NEX adapter utilizes the new electronic technology, which can make the aperture exactly being aligned via the adapter, and adjusted for auto-focus. It enhances the convenience of controlling the Canon EF series lens on Sony micro-single camera bodies in the electronic way. Besides, the aperture hole of the adapter design is based on the full-frame NEX camera , which help perfectly support the Sony NEX full-frame camera A7 and A7R.


  • 100% NEW and higt quality. Auto-focus function.
  • Aperture exactly being aligned via the mount adapter.
  • Built-in IS function.
  • Full-frame adapter aperture hole design, perfectly supports For Sony full-frame camera A7/A7R.
  • Zinc alloy core makes the adapter strong and powerful.  
  • Gold-plated pins brings the great conductivity of signal transmitting.
  • 1/4 Female thread screw for mounting onto the tripod.


Advice to use:
1.With some MF lens,you need to Turn on 'shoot without lens' to use with it
2.Some Lens can mount, but be careful with retractable lenses
3.Electronic auto focus. Focus infinitely. High-technics treatment on the contact pins, permitting perfect signal transmitting between lens and camera.Support the existing function of the lens
4.Focusing speed would be a little slower than original EF-EOSM ring adapter
5.There's a little delay to display the Aperture value sometimes
6.Maybe when it turns to AF mode,there's no Aperture value on LCD, and you should shut down the camera and then it'll display.

Compatible lens: for Canon EF series lens  
Compatible cameras: for Sony NEX series with E-mount (Including Sony NEX full-frame camera A7/A7R)
Front mount: for Canon EF mount
Rear mount: for Sony E mount  
Tripod screw: 1/4 screw  
Max. diameter and length: 66.6 * 26.0mm
Color: White
Item size: 8 * 6.6 * 3cm / 3.1 * 2.6 * 1.2in
Item weight: 120g / 4.2oz
Package size: 10.2 * 9.3 * 5.3cm / 4.0 * 3.7 * 2.1in
Package weight: 218g / 7.7oz


Fits to which cameras' body:
Body with S0NY NEX E-mount, such as NEX-3C(NEX3) NEX-3N NEX-5C(NEX5) NEX-5N NEX-7 NEX-C3 NEX-F3 NEX-5R NEX-6 NEX-5T A3000 A5000 A5100 A6000 A6300 etc.
OK for A7/A7R/A7S/A7II, but there's dark corner or black line on edge on the photo.


The current tested compatibility: for

For Canon Zooming Lens Canon Fixed Focal Lens Other Brands
EF 8-15/4L USM fisheye EF 100/2.8 USM macro For Sigma DC 17-70/2.8-4 DC OS HSM
EF 17-40/4L USM EF 135/2L USM For Sigma DC 30/1.4 DC HSM
EF 70-200/2.8L IS USM II EF 200/2.8L II USM Tamron SP 24-70/2.8 Di VC USD
EF 70-200/4L USM EF 300/2.8L IS USM Tamron SP 70-200/2.8 Di VC
EF 70-200/4L IS USM Extender EF 1.4x III  
EF 20-35/2.8L (Ver.18) EF 14/2.8L II USM  
EF 22-55/4-5.6 USM EF 24/1.4L II USM  
EF 24-70/2.8L USM II EF 24/2.8 IS USM  
EF 28-80/3.5-5.6 II EF 35/1.4L USM  
EF 28-90/4-5.6 III EF 50/1.2L USM  
EF 35-350/3.5-5.6L EF 50MM 1.8II  
EF 70-300/4-5.6L IS USM EF 85/1.2L II USM  
EF 70-300/4-5.6 IS USM EF 85/1.8 USM  
EF100-300/5.6 (non-L, not USM, push-pull zoom ) (Ver.18) Extender EF 2x (mark I)  
EF 100-400/4.5-5.6L IS USM EF-S 60/2.8 macro USM  
EF-S 10-22/3.5-4.5 USM    
EF-S 17-55/2.8 IS USM    
EF-S 17-85/4-5.6 IS USM    
EF-S 18-55/3.5-5.6    
EF-S 18-55/3.5-5.6 IS    
EF-S 18-135/3.5-5.6 IS    

Package list:
1 * Auto Mount Adapter
1 * User Manual