Difference between revisions of "Belt (of a fixed lens)"
Jump to navigation
Jump to search
| Line 1: | Line 1: | ||
'''2-2-095 | '''2-2-095 | ||
The optically central portion of a fixed lens, consisting of a refracting element of annular shape and lenticular cross-section. | The optically central portion of a fixed lens, consisting of a refracting element of annular shape and lenticular cross-section. | ||
[[Image: | [[Image:Ch2_Fig16a.jpg|400px]] | ||
[[Image:Ch2_Fig16b.jpg|400px]] | |||
{{IALAFooter}} | {{IALAFooter}} | ||
Revision as of 08:54, 1 March 2009
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)
