The Cyber-shot RX10 Mark IV is the update to Sony’s high-end bridge super-zoom camera. Announced in September 2017, it retains its predecessor’s 24-600mm f2.4-4 / 25x optical zoom, weatherproof body and OLED EVF, but inherits the latest 1in / 20 Megapixel sensor, front-side LSI and BIONZ X processor and from the RX100 Mark V, crucially equipping it with phase-detect autofocus for the first time in the series – indeed for the first time in any super-zoom bridge camera.
Phase-detect autofocus allows the RX10 Mark IV to quickly and confidently refocus, finally making the long lens practical for serious sports, action and wildlife photography, especially combined with the camera’s 24fps bursts for up to 249 images. The PDAF system can also be exploited in 4k video which now avoids pixel-binning for higher quality; there’s also Full HD at 120p and Sony’s HFR modes which film short bursts at 240, 480 or 960fps for super slow-motion.
As before composition is with a large XGA OLED viewfinder or a 3in tilting screen, although the latter is now touch-sensitive for the first time on an RX series and can also be used as a touchpad when composing with the viewfinder. Meanwhile the Wifi and NFC are now complemented by Bluetooth for always-on connectivity with your phone and easy GPS tagging.
I’m at a Sony launch event for the camera and will provide hands-on updates soon, but for now I’m excited by this latest update. The fact the RX10 series inherits the latest RX100 sensor and imaging pipeline is no surprise, but having phase-detect AF with the longer 24-600mm range is so much more compelling. Coupled with the great quality video, touchscreen and Bluetooth location tagging, the RX10 Mark IV could become the ultimate all-rounder. Check back soon for updates. Meanwhile, the RX10 Mark IV will cost $1699 / 1800 GBP when it ships in October 2017.
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