He has been diving and photographing many of the worlds most spectacular diving locations for over thirty years, but still finds some of the very best diving to be at home in the waters of British Columbia. He has published a book on the area entitled "The Emerald Sea", and has recently returned from six weeks of diving and photographing beneath the ice in Canada's arctic, working with an IMAX film crew. Dale shoots Canon EOS DSLR cameras in AQUATICA housings, with Ikelite Strobes and Nocturnal Lights focusing lights.