With multiple sensors, 4K video and a natty design, Olympus's first action cam takes on the established players.
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Made by action camera fans, for action camera fans, the Olfi is a serious rival to the GoPro Hero4 Black.
This supercharged budget action camera poses a serious threat to the reign of the GoPro.
EE's wearable camera enables you to broadcast live video events easily over a 4G network.
This low-cost personal 4K camera with built-in stabilizer lets you shoot in a whole new way.
A huge leap forward over Rollei's previous 400-series cameras, the 420 boasts 4K video along with full HD at 60fps
This low-cost action cam gives you high resolution 4K video for a lot less than a GoPro Hero.