Why not use your SLR for video? Personally I'm not a fan of the "constant fisheye" gopro videos, especially when you get in close. Beyond that, it looks like it was a fun trip.
For many reasons;
1) I'm not a videographer, and the GoPro is super simple to use.
2) My dslr is not waterproof
3) I can't attach my dslr to everything or anything effortlessly.
4) GoPro's included software is nice and user friendly, for a non-video guy.
5) lots more reasons I can find I'm sure/
Jake
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