wide-angle lens
US /ˌwaɪd ˈæŋ.ɡəl ˌlenz/
UK /ˌwaɪd ˈæŋ.ɡəl ˌlenz/
1.
a lens whose focal length is substantially smaller than the focal length of a normal lens of a given film or sensor size, resulting in a wider field of view
:
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He attached a wide-angle lens to capture the entire landscape.
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A wide-angle lens is often used for architectural photography.