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ka222 said...
the helmet is just too high and doesnt give the conditions justice!
i feel your pain. i'm not sure if u are aware, but it's more to do with the very wide angle lens you have (generally bundled with a 10mm or 12mm equivalent) rather than the position of the cam (moving it lower helps a little). Changing to a more telephoto focal length makes the biggest improvement but increases camera shake dramatically and you lose the field of view (and a little depth of field), so it's tricky situation to overcome. A fisheye lens give good centre image proportion for mainting the real height of the waves but edges are funky, but at least you keep the overall field of view. The best results i've got from my endevours is to give up some field of view and use a full highdef camera at 50mm equivalent focal length, and use software to de shake or stabilize the footage, at the cost of chopping off pixels at the sides of the video through the stabilisation process. Usually shooting full 1920x1080, then "de shaking", then cropping & scaling to 1280 x 720 looks fab. It's time consuming and obviously u got to have the software and a slick enough pc to process the footage without waiting a month for it to finish
I'm yet to try it on any windsurfing wave footage but i can already see a huge improvement in proportional wave / chop size on the stuff I've experimented with. Even with the cam strapped to my head at around 50mm equivalent, and with the inbuilt stabilizer turned on is a dramatic improvement over the typical wide lens
maybe you were already were aware of all this so take it or leave it