What lens

[TommieGreen]

What lens was used to get this shot @ 0:23
I am in AWE @ it! Thanx in advance!
http://www.youtube.com/watch?v=opkRF3UZSJw

 

[Fahad]

i'm guessing some sort of circular fisheye

 

[Michael B. McGee]

i second the fisheye suggestion. 8mm is my guess.