Difference between revisions of "Equi-Angular Lens"

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[[Category:Alphabetical Index]]
[[Category:Alphabetical Index]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 2023 Revision]]

Latest revision as of 03:24, 3 February 2024

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A prismatic lens obtained by the rotation of an equi-angular profile about the optical axis of the lens. In such a lens, the bullseye and rings usually present a continuous convex surface towards the source.




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