angular field
noun
variants:
or angular field of view
Definition of angular field
: angle of view
A type of wide-angle lens that has an angular field above 140 degrees and exhibits barrel distortion along its edges … — The Optical Industry & System Directory, 23rd Edition, 1977 It is a full-size binocular with a large knurled center focus knob for smooth and accurate focusing. Its lenses are fully coated and have angular field of view of 3.7 degrees. — Businessworld, 11 Feb. 2011
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