Definition of angular field
- 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