Ultra wide angle lens the difference is only whether distortion is present or not. However, the shorter the focal length, the more difficult it is to implement rectilinear correction. In fisheye lenses, the visual angle is close to or more than 180 degrees in at least one direction. For example, a "diagonal fish eye" would have a viewing angle of at least 180 degrees within the diagonals of the frame. A "circular fisheye" would represent the image in the form of a circle. Rectilinear ultra-wide angle lenses are used in photography and cinematography sometimes to achieve three-dimensional perspective distortion instead of simply two-dimensional barrel
Larger than Life (House) tells his wife that they should get a divorce; he cannot give up his philandering, and it hurts her so much, she has turned to an online relationship for emotional comfort. The A.V. Club gave this episode a B- rating. Larger than Life (House) "Larger Than Life" is the ninth episode of the seventh season of the American medical drama "House". It aired on January 17, 2011. When a musician named Jack (guest star Matthew Lillard) puts his life on the line to save a stranger who fell onto subway tracks, he emerges unscathed, then suddenly collapses, much to his