Sony a7R II has 42.4MP on 4K-capable full-frame BSI CMOS sensorSony has announced the a7R II, a 42.4MP mirrorless camera with an image stabilized full-frame BSI CMOS sensor. Unlike its predecessor, the camera includes on-sensor phase detection elements for faster autofocus, which continues to work with other brands' lenses. The camera also has a revised shutter mechanism, rated to 500,000 actuations but also promising less vibration than the one on its predec
