Schlüsselloch
Edition
Unique
Year
2020
Material
Ammonium iron(III) citrate, potassium hexacynidoferrate(III), paper
Size (H×W×D)
11 x 7 cm
Technique
Cyanotype
Details
The atofacts by Constanze Zacharias consist of various small cyanotypes. One of the keyholes from the series will be sent to you. If you like a particular atofact, please send us an e-mail to: [email protected].
Cyanotype is a light printing process. It involves photosensitizing paper with a solution of ammonium iron(III) citrate and potassium hexacyanidoferrate(III). This photographic process is also known as iron blue printing.