Bullseye

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

2-2-075

A circular lens (in sense 1 of 2-2-010), or part thereof, usually plano-convex or double convex in section, the optical axis (2-2-110) of which coincides with the optical axis of the prismatic lens of which it forms a part.

Ch2 Fig10.jpg




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