Our first impressions review of the Sony Cyber-shot RX100 III just keeps growing. The latest aims to answer one of the most important questions potential owners ask about a camera - 'What's it like to use?' With promising specifications like a 20 megapixel 1"-type sensor, a fast 24-70mm equiv F1.8-2.8 Zeiss-branded lens and a pop-up EVF, the RX100 III looks excellent on paper. Does that hold up in real-world use?