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Subject Item
dbpedia:Heinrich_Erfle
rdfs:comment
Heinrich Erfle (born April 1, 1884, in Durkheim, died April 8, 1923, in Jena) was a German optician who spent most of his career at Carl Zeiss. In 1917 he invented the first wide-field eyepieces for telescopes and binoculars. During his short life he developed a number of new designs for telescopes and eyepieces.
rdfs:seeAlso
dbpedia:Eyepiece
foaf:name
Erfle, Heinrich
dc:description
German optician and inventor
dbpedia-owl:birthYear
1883-01-01Z
dbpedia-owl:deathDate
1923-04-08Z
dbpedia-owl:deathYear
1923-01-01Z