Barlow lens

English

Etymology

Named after British mathematician and physicist Peter Barlow (1776–1862).

Noun

Barlow lens (plural Barlow lenses)

1. (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

• Barlow

Anagrams

• snowballer