Sony Xperia Z5 Camera: First Video Samples Show 4K, 1080p Capabilities And HybridAF Speed Sony has recently unveiled its latest Xperia Z5 smartphone with a beastly 23-megapixel rear camera. Some video samples now show how it shoots in 4K and 1080p, leveraging blazing-fast HybridAF focus technology. by Alexandra Burlacu