Sick in moderation and if you truly utilize it to it's full potential. Better for filming close though because photography you are stationary anyways and it is so hard to be super close and get good shots with skiing
get a wide angle, they're 10x better, no distortion, nice crisp shots, usually are faster, and have better glass for the most part. I fucking hate fisheye shots on everything but skateboarding. I unfortunately might have to get a fisheye for my T2i because I shoot for skate magazines and that might be the case. =(