Tag Archives: Petzval

that’s how the light gets in – II

Toronto. When the Daguerreotype process was announced in January 1839, it was so slow that only still life and landscape views could be recorded. The news of the process speed resulted in a two direction thrust: chemically, to enhance the … Continue reading

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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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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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