Mr. Eric Renner is the founder and co-director of Pinhole Resource, a nonprofit organization dedicated to sharing information about pinhole photography. He is also founder and co-editor of Pinhole Journal, published three times a year, and gives educational lectures and workshops internationally. Renner has worked in pinhole photography for 32 years. Some of his recent work in assemblages are made in collaboration with his wife Nancy Spencer. His photographs are exhibited in major collections throughout the world, including the Museum of Modern Art, the California Museum of Photography, the National Gallery of Canada, and Bibliothéque Nationale, Paris, France. Renner is the author of "Pinhole Photography: Rediscovering a Historic Technique"
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Hello, I am working with an art organization who wish to make a large pinhole camera approx 3m x 4.5m in size. Do you have any advice on construction, timings and how to prevent vignetting? This camera will be functioning while the gallery is opening, so we need it to obviously shake as little as possible. Any advice would be appreciated. Thanks, Josie
Dear Josie, To prevent vignetting, the focal length of the camera should equal the diagonal measurement of the film size. In other words, measure the diagonal distance of a 3m x 4.5m rectangle. Whatever that distance is should be the focal length. You can make the camera out of any material that can be made light tight. Are you planning to put paper in the camera to develop? Or are you making the camera for people to walk inside of to see a pinhole image?
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