Difference between revisions of "Focal Plane (of a lens or focusing reflector)"

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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 03:58, 3 February 2024

2-2-165

The plane normal to the optical axis of the lens or reflector and containing the focus.

Ch2 Fig10.jpg




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