Sigma 8-16

So in the quest for ever wider lenses the Sigma 8-16 is now available. Are the cropped sensor folks interested in this lens? I anticipate it will present the same difficulties as the Nikon 14-24 to set up and use underwater.

http://www.sigmaphoto.com/shop/8-16mm-f45-...CFRuenAodV39V9Q

So in the quest for ever wider lenses the Sigma 8-16 is now available. Are the cropped sensor folks interested in this lens? I anticipate it will present the same difficulties as the Nikon 14-24 to set up and use underwater.

http://www.sigmaphoto.com/shop/8-16mm-f45-...CFRuenAodV39V9Q

Minimum focus distance of 24cm is better than nikon´s, DX cameras behave behave better than FF and sigma´s rectilinear 10-20 is very good underwater so, maybe, we have a winner here.