GoPro Hero4 Black
In September 2014 GoPro announced the HERO4, available in Black Edition and Silver Edition, which replace their respective HERO3+ generation predecessors. The Hero, a budget camera, was also announced.
The HERO4 Black Edition still has a 12mp CMOS and a f/2.8 fixed maximum aperture and focus free. It adds Bluetooth connectivity, Highlight tag, Protune Available for photo and a new processor claimed by GoPro to be twice as fast as that of the HERO3+ Black Edition, doubling the frame rates in most resolutions. The HERO4 Black Edition can record 4K video (3840×2160) at a frame rate of 24, 25 and 30 fps. In Superview mode, 4k is only possible at 25 fps. Many other rates and resolutions are available. The HERO4 Black Edition still shoots stills at a maximum of 12MP with a maximum burst rate of 30 fps. With Wi-Fi disabled at 4k/30, GoPro claims the HERO4 Black Edition battery life to be 65 minutes, increasing to a maximum of 1h 50' at 720p/240. The HERO4 Black battery is in a different form factor than its predecessors. Initial side-by-side comparisons of HERO3+ and HERO4 Black edition video results suggest that the newer model has more detail at long range, and similar performance at close range.
The HERO4 Session, released July 6, 2015, is 50% smaller and 40% lighter comparing to other versions of the GoPro HERO4 camera.
The HERO4 models maintains the H.264 video codec of previous versions and MP4 file formats. GoPro claims the mono microphone in both the Black and Silver Editions have twice the dynamic range of the HERO3+, and that the HERO4 Black and Silver Editions have improved low light performance.
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