Optical Panel
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.
2-2-175
Alternative term: Flash Panel (U.S.A.)
A prismatic lens which may be of dioptric elements only, or may include both dioptric and catadioptric elements, all mounted in one rigid supporting frame. Such a panel may be symmetrical or asymmetrical according to requirements. One or more panels form an optic.
(Figs. 10 and 17)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
