Fresnel Profile

From International Dictionary of Marine Aids to Navigation
Revision as of 12:00, 15 February 2009 by Oferiks (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

2-2-135

Fresnel Profile (of a lens or fixed lens)

A stepped profile of both dioptric and catadioptric elements, the dioptric part of which presents one straight side towards the focus.

(Figs. 10, 14 and 16)

Ch2 Fig10.jpg

Ch2 Fig14.jpg

File:Ch2 Fig16.jpg




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

Languages

English

[[Category:2.2 Optical Apparatus]

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

Retrieved from "http://www.iala.int/wiki/dictionary/index.php?title=Fresnel_Profile&oldid=1693"