Belt (of a fixed lens)
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.
2-2-095
The optically central portion of a fixed lens, consisting of a refracting element of annular shape and lenticular cross-section.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
