angular field

noun

variants or angular field of view
: 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

Word History

First Known Use

1847, in the meaning defined above

Time Traveler
The first known use of angular field was in 1847

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Cite this Entry

“Angular field.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/angular%20field. Accessed 5 Feb. 2023.

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