- a1 II Mirrorless Camera -Less ThanbRGreater ThanLess ThanBRGreater ThanAnother leap at the topThe a1 II gives users everything they need to achieve a higher capture success rate and more, including 50MP high resolution, AI-based subject recognition AF, high-speed continuous shooting, and an advanced workflow from capture to delivery that provides professionals with unrivalled efficiency and freedom.Fast, smart and detailedA fusion of leading technologies delivers overwhelming performanceThe massive volume of data from the approximately 50.1 effective megapixel full frame Exmor RS image sensor is processed in real time by Sony's BIONZ XR image processing engine. An advanced AI processing unit applies high-level subject recognition to reliably recognize a wide range of subjects. These state-of-the-art technologies come together to make it easy to capture even the most challenging subjects in extraordinary resolution, with blackout-free viewing and full AF/AE tracking performance at up to 30 fps.Advanced AI processing unit for high-level subject recognitionThe a1 II features a dedicated AI processing unit that helps to recognize people more accurately based on human pose estimation, and also supports recognition of a wide range of subjects other than people, such as animals, vehicles and insects, with high accuracy. This results in a dramatic improvement in Real-time Recognition AF and Real-time Tracking capability, and higher overall AF perfor