大角度的
广角
广角的

[ adj ]
of or relating to a fisheye lens
<adj.pert>

Wide-angle \Wide"-an`gle\, a. (Photog. & Optics)
Having or covering an angle wider than the ordinary; --
applied to certain lenses of relatively short focus. Lenses
for ordinary purposes have an angle of 50[deg] or less.
Wide-angle lenses may cover as much as 100[deg] and are
useful for photographing at short range, but the pictures
appear distorted.
[Webster 1913 Suppl.]