Sea & Sea has informed us that they will be premiering working prototypes of underwater housings for the Nikon D300, Canon EOS 40D, and Canon 1D/1Ds Mark III at this year’s DEMA dive convention. In addition, the company hopes to have a mock-up of a DX-D3 housing for the upcoming Nikon D3 dSLR.

Below is a sneak peek at the DX-D300, Sea & Sea’s housing for the Nikon D300…