Order (of an optic): Difference between revisions

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Classification of an optic according to its focal length.
Classification of an optic according to its focal length.

Latest revision as of 09:24, 17 September 2026

urn:mrn:iala:dic:2-2-0260

Classification of an optic according to its focal length.




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