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Lo-Fi Photography: Art from Do-It-Yourself Chemistry and Physics
By
John Beaver
John Beaver
University of Wisconsin Oshkosh, USA
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Hardback ISBN:
978-1-83916-511-5
EPUB ISBN:
978-1-83916-930-4
PDF ISBN:
978-1-83916-931-1
Product Type:
Popular Science
No. of Pages:
396
Publication date:
15 Jul 2024
Book Chapter
Chapter 14: Cyanonegative Photography
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Published:15 Jul 2024
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Product Type: Popular Science
Page range:
253 - 267
Citation
Lo-Fi Photography
Download citation file:
What we call cyanonegative photography uses paper sensitized with cyanotype as the detector in a homemade camera. A simple lens is used to focus the image; after a long exposure, the blue-tone paper negative that results is scanned to produce a digital positive. Suitable choices of paper and cyanotype sensitizer formulas are described. The wavelength response of cyanotype is reviewed in light of how a typical outdoor scene is imaged by this method. A technique is described for making a positive contact cyanotype print directly from a cyanotype negative.
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