Josef Petzval

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by StevensEmily
Last updated 5 years ago

Discipline:
Science
Subject:
Inventors and Inventions

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Josef Petzval

Josef Petzval

Born- January 6, 1807Died- September 18, 1891

Josef Petzval

Josef Petzval

Lens

Photography

Josef Petzval was a mathematician, inventor, and physist, best known for his work in optics. He also made calculations for lenses on cameras. In 1840, he was able to design a lens that had an aperture size of F/3.6.

Aperture size is the lens opening on a camera. This affects the amount of image that will be in focus.

Photographed in 1840

Taken in 1840

Lens type and date unknown


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