Meanings
plural Barlow lenses
- astronomyA diverging lens which, used in series with other optics in an optical system, increases the effective focal length of an optical system as perceived by all components that are after it in the system.
Synonyms: Barlow
Synonyms & antonyms
nounA diverging lens which, used in series with other optics in an optical system, increases the effective focal length of an optical system as perceived by all components that are after it in the system.
Origin
Named after British mathematician and physicist Peter Barlow (1776–1862).
Full word history & related roots →Cite this entry
Barlow lens. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Barlow%20lens
“Barlow lens.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Barlow%20lens. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Barlow lens,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Barlow%20lens.
Source: Barlow lens on Wiktionary, CC BY-SA 4.0.