http://www.nikonchat.com/nikon-zoom-binoculars/

What are the best type of binoculars to watch the crew (rowing)?
This is to see the university and school crew secondary side. I'm thinking of something like the Nikon 10-22X50 Action Zoom XL Binoculars.
It depends on how far the action is. That's a lot zoom, and especially in the range of 22X, it will be difficult enough to keep the binoculars to get a good view, unless you get a tripod for this. You may be happier with something more in the range of 7×40 or 7×50.
BINOCULARS.COM (Nikon 8-24×25 EagleView Zoom)