<skos:prefLabel xml:lang="en">aplanats</skos:prefLabel>
<skos:altLabel xml:lang="en">aplanat</skos:altLabel>
<skos:altLabel xml:lang="en">aplanatic lens</skos:altLabel>
- <skos:broader rdf:resource="http://museovirtualfelixcanada.digibis.com//concepts/53892" />
<skos:note xml:lang="en">Symmetrical lens design created in 1866 by Steinheil, which formed the basis for most general-purpose lenses until the early 20th century.</skos:note>
<skos:notation>300266281</skos:notation>
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