Dock dogs race down a 35 to 40 ft dock, take a giant leap into a long pool of water, and compete for both vertical and horizontal distance. A champion dock dog can jump over 6 ft vertically and 25 feet horizontality. Canon EOS 5D Mark III, Canon EF 100-400 f/4.5-5.6L IS, ISO 800, 100 mm, 0.0 ev, f/6.3, 1/1000 sec, Feisol CT-3372 tripod and CB-70D ball head. Tom Carroll