Tag Archives: Petzval

a dilly of a dag camera c1840

Posted on September 15, 2024 by Robert

Toronto. The announcement in January, 1839 of the Daguerreotype process electrified the civilized world. First and foremost in improvements were to reduce the time needed to create a ‘likeness’. In 1840 Petzval created a much faster portrait lens to properly … Continue reading →

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reproduction of a famous camera and lens

Posted on March 17, 2022 by Robert

Toronto. The evening of February 17th, 2016, I visited the Ryerson University Library along with a number of other PHSC members. A milestone was the display by the late Willi Nassau of a reproduction of the famous Voigtlander brass daguerreotype … Continue reading →

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a name that pre-dates photography

Posted on February 24, 2022 by Robert

Toronto. Voigtlander was an optical house in Vienna before the invention of any photographic process. While in Vienna, the Voigtlander firm manufactured the famous Petzval portrait lens designed c1840. Nearly a century later, this June, 1933 advertisement appeared in the … Continue reading →

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that’s how the light gets in – II

Posted on October 8, 2020 by Robert

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

Posted on August 24, 2019 by Robert

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

Posted on May 21, 2019 by Robert

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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