Viltrox EF-NEX IV Mount Adapter is designed to allow Canon EF-mount lenses to be used on Sony E-mount interchangeable-lens cameras .With its metal contacts , when mounted the adapter it can achieve functions of EXIF signal transmission , auto focus and adjustable aperture , etc .

• Supports the lens image stabilization technology of the Canon lens IS image stabilizer
• Supports PDAF & CDAF autofocus for smooth focusing
• Supports eye-tracking auto focus
• Specially designed for Sony E-Mount
• USB Firmware Upgradeable