The HERO4 is more streamlined than previous GoPros, but is it a little too pared down to justify its high price tag?
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It's not much larger than a matchbox but it can shoot 4K video at 30fps and 1080p at an amazing 120fps
The small extreme sports camera gets an upgrade, with smaller housing, faster Wireless and improved GoPro Studio editor.
The GoPro HD Hero2 is a compact camera encased in a tough housing. It's a great tool for capturing action sports up close and personal.