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Barrel-Eliminating Optical Element Enables Massive Zoom in Tiny Form Factor

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JOEL WILLIAMS, ASSOCIATE EDITOR
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OTTAWA, Ontario, June 10, 2021 — A novel optical element will one day enable composite lenses and telescopes in a form factor small enough to fit in a pocket. The device, developed by Orad Reshef and Jeff Lundeen of the University of Ottawa, is called a spaceplate. Its function, say its developers, is to mimic the empty space needed to focus an image — meaning one day photographers will be able to take pictures of faraway subjects without lugging around a long-barrel telephoto lens. “A spaceplate is an optical element that propagates light for a distance that exceeds its thickness,” Reshef and Lundeen...Read full article

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