Sony A9 II: A Professional Imaging Tool The Sony A9 II is a professional imaging tool that has been fine-tuned based on feedback from working professionals. It has a refined body design with superior dust and moisture resistance, an improved image processor, faster FTP and 5Ghz Wi-Fi connectivity. In addition to the black-out free 20fps silent shooting capability from the original flagship model, the Mark II introduces a new voice-memo feature, superior autofocus performance, a re-engineered mechanical shutter with a maximum 10fps burst rate, 5.5 stops of in-body image stabilisation and eye-AF in stills and video. 24.2-Megapixel Stacked Image Sensor Boasting a full frame image sensor with a 24.2-megapixel resolution that perfectly balances quality and speed, the A9 II delivers the.