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bn:00036498n
Noun Concept
Categories: Lighthouse fixtures, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Solar thermal energy, Lenses, French inventions
EN
Fresnel lens  Bull's eye lens  Eighth order Fresnel lens  Fifth order Fresnel lens  first order Fresnel lens
EN
Lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length WordNet 3.0
Definitions
Relations
Sources
EN
Lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length WordNet 3.0 & Open English WordNet
A Fresnel lens is a type of composite compact lens which reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections. Wikipedia
A type of composite compact lens Wikipedia Disambiguation
Compact composite lens Wikidata
The hollow cylindrical lens used in the Fresnel lantern. Wiktionary
IS A
lens
PART OF
headlight
searchlight
HAS KIND
hyperradiant Fresnel lens
DISCOVERER OR INVENTOR
Fresnel
NAMED AFTER
Fresnel
WordNet 3.0 & Open English WordNet
EN
Fresnel lens
Wikipedia
EN
Fresnel lens
Wikidata
EN
Fresnel lens
Wiktionary
EN
Fresnel lens
Wikipedia Redirections
EN
Bull's eye lens, Eighth order Fresnel lens, Fifth order Fresnel lens, first order Fresnel lens, fourth order Fresnel lens, Frensel lens, Fresnel Lens, Fresnel Lens Optical Landing System, Fresnel lense, Fresnel prism, second order Fresnel lens, Seventh order Fresnel lens, Sixth order Fresnel lens, Steamer lens, third order Fresnel lens

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