Updated It's not much larger than a matchbox but it can shoot 4K video at 30fps and 1080p at an amazing 120fps
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UPDATED The cube-shaped Hero5 Session is close to GoPro's flagship Black camera in capabilities, yet remains just as tiny as before.
SJCAM thinks its latest offering has what it takes to be serious competition for GoPro – is it right?
It shoots in smooth 4K 30fps, but its mountable live view remote proves more obstacle than upgrade.
Able to shoot 4K at 30fps for over two hours, this great-value GoPro-basher has a tempting point of view.
UPDATED Cube-shaped GoPro Hero 5 Session is close to the flagship Black camera, yet remains just as tiny as before.
With multiple sensors, 4K video and a natty design, Olympus's first action cam takes on the established players.
Made by action camera fans, for action camera fans, the Olfi is a serious rival to the GoPro Hero4 Black.