Difference between revisions of "Stepped Lens"

From International Dictionary of Marine Aids to Navigation
Jump to navigation Jump to search
m (1 revision)
m (1 revision)
 
(One intermediate revision by the same user not shown)
(No difference)

Latest revision as of 10:01, 1 March 2009

2-2-130

A lens or fixed lens of dioptric elements only, having a profile of stepped shape.




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