“The Chinese company Viltrox has announced a new EF-NEX IV adapter for the installation of Canon EF and EF-S optics on Sony E cameras. The new fifth generation adapter adds two main functions: built-in USB port for firmware upgrade and manual switch between CDAF modes (contrast focusing ) and PDAF (phase). In order for the camera … Continue reading VILTROX EF-NEX IV Adapter For Canon Lenses