Tuesday 10 December 2019 
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Sony’s Full-Frame Mirrorless a7R IV Takes on the Competition
Man of Many
Sony is continuing to build out its cameras, following the highly acclaimed and successful 7R III with the 7R IV. The full-frame, mirrorless camera isn’t just the next in line, but is a full successor, taking the best of the III and offering more.
The compact and lightweight IV, offers “medium-format-level” image quality with an intimidating 61-megapixel Exmor R sensor, which is said to be a “world-first” 35mm-equivalent full-frame digital sensor. The camera also features ISO sensitivity up to 32,000 and can do continuous shooting up to 10 frames per send with both auto-focus and auto-exposure tracking. It has a 15-stop dynamic range and 567 phase-detection points which cover almost three-quarters of the frame.
With the capability to record video in 4K HDR, the IV isn’t just meant for photographers, but is a powerful option for videographers as well. The IV uses S-Log2/3 and HLG support for recording. The IV is also the first time Sony is offering real-time eye auto-focus that works on humans and animals, and the camera is capable of real-time tracking. Audio is captured thanks to a multi-interface shoe that has a new shotgun microphone.
The camera has a USB Type-C and dual UHS-II SD card slots for connectivity. The back features a 5.76 million dog UXGA OLED viewfinder, while inside there is in-body 5-axis image stabilisation. Other improvements include a wider, deeper grip and better dust and moisture resistance. The battery life is said to last 539 shots with the EVF and 670 shots without. Sony also says that the IV is meant to use the G Master Lenses, which the company introduced back in 2016.
The IV is slated for release in September and is priced at $3,500 for just the body. You can pick up the ECM-B1M digital shotgun mic at the same time for USD$350.
