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This content has been automatically translated from Ukrainian.
Photography has always been more than just capturing moments – is an experiment, a creative search and the magic of light. In the world of digital images, vintage printing methods look like something mystical, mysterious and at the same time incredibly beautiful. One such method is – cyanotype, which creates deep blue prints, resembling dreams or watercolor paintings. But this is just one of many historical ways to get images through chemical reactions.
Cyanotype – blue magic light
Cyanotype – is one of the oldest methods of photographic printing, invented in 1842 english scientist John Herschel. It was originally used to copy technical drawings (hence the term "blue copy" or blueprint), but later artists discovered its unique aesthetic.
How does cyanotype work?
This process is based on the sensitivity of iron-containing salts to light. Main ingredients:
- Ammonium iron citrate
- Potassium ferrocyanide (red blood salt)
When these two substances are mixed and applied to paper or fabric, the material becomes light-sensitive. After exposure in the sun or under a UV lamp, the image is manifested in deep blue color (Prussian blue).
What is needed for cyanotype?
- Dilute the chemical solutions and mix them.
- Apply the mixture to watercolor paper or fabric.
- Dry in a dark place.
- Put out negatives or objects (such as leaves, lace) and expose to light.
- Wash with water – and the magic begins!
What is interesting about this technique?
- Unique blue tone
- Ability to create "photograms" without a camera
- Withstands the test of time (old cyanotypes retain color for centuries)
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