Product: VILTROX EF-NEX IV Electronic Auto-Focus AF Lens Mount Adapter Ring Automatic Converter Compatible with Canon EOS EF/EF-S Lens to Sony E-mount NEX A7RIV A9II A7III A9 A7RIII A7RII A7II A7R A7m3 A7r4
Brand: VILTROX
Introduction: 
 Viltrox EF-NEX IV adapter Compatible with Canon EOS EF/EF-S series lens to be used on Sony NEX E Mount Camera.
 By adapter mounting it can achieve functions of EXIF signal transmission, Autofocus and Aperture adjustment, etc.

Upgraded Function: 
 1) USB Port :Update the adapter's firmware.
 2) Two Auto Focus model :
 a) PDAF (phase detection auto focus): Focus speed is faster.
 b) CDAF (contrast detection auto focus): Focus success rate is higher
 3) Professional extinction treatment: spiral inner wall to absorb high-reflective light
 
 Compatible lenses:  
Canon EF/ EF-S series lens (include Tamron, Sigma, Tokina, Zeiss etc EF mount lens) 
 Canon EF 24-70mm f/2.8L II USM; 
 Canon EF 70-300mm f/4-5.6L IS USM;
 Canon EF 20-35mm f/3.5-4.5 USM; 
 Canon EF 24-105mm f/4L IS;
 Canon EF 50mm f/1.4 USM; 
 Canon EF 100mm f/2.8 Macro;
 Canon EF 50mm f/1.8 II; 
 Canon EF 17-40mm f/4;
 Canon EF 70-200mm f/2.8L IS II USM; 
 Canon EF 70-200mm f/4L;
 Canon EF 35mm f/1.4L; 
 Canon EF 70-300mm;
 Canon EF 16-35mm f/2.8L II; 
 Canon EF 24-85mm f/3.5-4.5 USM;
 Canon EF 28-135mm f/3.5-5.6 IS; 
 Canon EF 70-300mm f/4-5.6 IS USM;
 Canon EF-S 10-22mm f/3.5-4.5 USM; 
 Canon EF-S 15-85mm f/3.5-5.6 IS USM;
 Canon EF-S 18-200mm; 
 Canon EF 85mm f/1.8 USM;
 Canon EF 70-300mm f/4.5-5.6 DO IS USM; 
 Canon EF-S 18-55mm f/3.5-5.6 IS STM;
 Canon EF 20-35mm f/2.8 L; 
 Canon EF 14mm f/2.8 L;
 Canon EF 180mm f/3.5 L; 
 Canon EF 70-200mm f/4L IS USM;
 Canon EF 24-105mm f/3.5-4.5; 
 Canon EF 28-80mm f/3.5-5.6 II;
 Tamron 18-270 F3.5-6.3; 
 Tamron 150-600mm f/5-6

 Compatible Camera: 
 Sony A9, A7SII, A7RII, A7II, A7S, A7R, A7, A6500, A6300, NEX-VG30, NEX-EA50, NEX-VG900, NEX-FS700, NEX-FS100, NEX-VG10, NEX-VG20. 
 
 Package Included: 
 Viltrox EF-NEX IV adapter x 1
 
NOTE: does not include the camera.
📷【Compatibility】The 4nd generation{canon ef/ef-s to sony E adapter}! EF-NEX IV version, allows Canon EF and EF-S mount series lenses to be mounted on Sony NEX E-mount series cameras. Please contact us if you're not sure whether this lens adapter ring fits for your camera or lens.
📷【Dual Auto Focus mode function】PDAF mode (phase detection auto focus): Focus speed is faster. CDAF mode (contrast detection auto focus): Focus success rate is higher. Fast switching between two focus modes, effectively improve focusing speed.
📷【Aperture Control & Built-in IS Stabilization】Interior built-in aperture motor and an electronic contact; aperture of the lens controlled by means of an electronic contact; aperture control functions almost support all Sony NEX E-mount cameras; aperture can be adjusted directly from the camera side to control the actual aperture of the lens. Built-in IS stability, making focus more accurate and clear and better help you to take pictures.
📷【EXIF Signal Transmission】use PIN gold plated needle to transmit signal, greatly enhancing its transmission performance; enjoy EXIF signal transmission, AF(auto-focus) and adjustable aperture, etc.
📷【Fashionable Design】USB firmware upgrade; designed with 1/4 screws at the bottom, which can be mounted on tripod or other support platform; detachable support tripod. A great smart adapter.

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