Fresnel Lens

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2-2-140

A prismatic lens obtained by the rotation of a Fresnel profile about the optical axis of the lens (Fresnel Panel), or about a vertical axis (Fresnel Drum Lens).

Ch2 Fig10.jpg




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Languages

English

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM

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