The Posograph User Manual
Book details
- Title
- The Posograph User Manual
- Author
- Auguste Robert Kaufmann
- Publication year listed
- 1923
- Format
- Public domain eBook
- Reading access
- Free online reader; no registration required
- Source record
- View on Archive.org
About this book
The Posograph User Manual
Author: Auguste Robert Kaufmann
Year: 1923
The Posograph User Manual - in English The Posographe was invented by Auguste Robert Kaufmann . Kaufmann designed this device as an exposure calculator to help photographers determine appropriate settings like aperture and shutter speed based on lighting conditions, film sensitivity, and subject distance. The Posographe was manufactured by the French company Boyer , based in Paris. Boyer was known for producing optical and photographic equipment during the early 20th century.
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