Profile (of a fixed lens)
The cross-section of the lens by a given plane containing the axis of the lens (2-2-115).
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
The cross-section of the lens by a given plane containing the axis of the lens (2-2-115).
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM