01 a. Having or covering an angle wider than the ordinary; -- applied to certain lenses of relatively short focus. Lenses for ordinary purposes h…
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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° or less. Wide-angle lenses may cover as much as 100° and are useful for photographing at short range, but the pictures appear distorted.(Photog. & Optics)