Tag Archives: Petzval

Lenses in Photography

Toronto. The late Rudolf Kingslake was born and educated in London, England. In 1938 he joined Eastman Kodak in Rochester NY as a lens designer. By the time he published this book in 1951, he was the Director of Optical … Continue reading

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1840

Toronto. One of the difficulties experienced by the earliest practitioners of the Daguerreotype process was the lack of speed, This was exacerbated by Daguerre’s use of an f/19 meniscus lens in his camera. In 1840, Josef Petzval partially solved this … Continue reading

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