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
How Are Things in Glocca Morra? in the Family", Archie Bunker refers to New York City as a "regular Sodom and Glocca Morra." The song was referenced by Daffy Duck in the 1948 cartoon "Daffy Dilly". The title was parodied on comedians Abbott and Costello's radio show as "How are things in Glocca, moron?" In "Mad Men": "For Immediate Release", Roger Sterling asks his airline ticket attendant girlfriend, Daisy, "How are things in Gloccamora?" Indie rock band Glocca Morra named their group after the phrase. How Are Things in Glocca Morra? "How Are Things in Glocca Morra?" is a popular song about a fictional village in