Polyspherical Lens Description
by Royal Astronomical Society/science Photo Library
Title
Polyspherical Lens Description
Artist
Royal Astronomical Society/science Photo Library
Medium
Photograph - Photograph
Description
Polyspherical lens description. Diagram and Latin description of the polyspherical lens on a page from the 1702 edition of Oculus Artificialis. This book on optics and optical instruments and devices was published by the German monk and author Johann Zahn (1641-1707). It is thought that this lens design by Zahn was the first design of a trial lens, a type of lens used to test eyesight.
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September 25th, 2018
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