Here's a video using the Gopro HD Hero2 of Eric Willett performing Snowboard Big Air Practice:
GoPro cameras have amazing HD quality and for their price, they are (in our opinion) the best choice for snowboarders which can be mounted on snowboard helmets.
They are used by more professional athletes, sports filmmakers and core enthusiasts than any other camera in the world. It's waterproof to 197′ (60m), capable of capturing professional full 170º wide angle 1080p video and 11 megapixel photos at a rate of 10 photos per second.
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Check out the promo video here...the video is all shot (100%) on the GoPro HD HERO2®