How to make Cyanotype Prints

[REPUBLISHED Originally Posted April 21 2006] The Cyanotype process has been around since at least 1842. The invention of the process is credited to Sir John Herschel. The images it creates are based on ferric salts that create the distinctive prussian blue tone that this process is so known for. There are numerous websites and books that outline various recipes or how-to’s on creating Cyanotypes. This how-to is mine. This will show you step by step how to make a cyanotype print.

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Alternate Processes

I’ve been working on learning how to use a wide variety of photographic processes. The norm nowadays is fresh out of the box factory made gelatin silver coated paper exposed under an enlarger using small negatives. The hand crafted processes that I am interested in as of late are generally referred to as Alternate Processes. All of the chemicals are coated onto paper by hand to create a light sensitive emulsion, not by a machine in a factory thus being an alternative process (apparently). A 4×5 inch negative is placed directly in contact with the emulsion of the paper with a sheet of glass on top, creating a sandwich of sorts. Even without much machinery involved this process of contact printing creates very beautiful prints.

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