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Barlow lens
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English
Etymology
Named after British mathematician and physicist Peter Barlow (mathematician) Peter Barlow (1776–1862).
Noun
en optics astronomy A 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
en Barlow
Anagrams
en abellnorsw snowballer
en eponyms