Wordnet 3.0
NOUN (1)
1.
a camera lens having a wider than normal angle of view (and usually a short focal length);
produces an image that is foreshortened in the center and increasingly distorted in the periphery;
[syn: wide-angle lens, fisheye lens]
WordNet (r) 3.0 (2006):
fisheye lens
n 1: a camera lens having a wider than normal angle of view (and
usually a short focal length); produces an image that is
foreshortened in the center and increasingly distorted in
the periphery [syn: wide-angle lens, fisheye lens]