Cyanotype
サイアノタイプ / 1842– / Technique / Photographic Printing
Fixes the shadow of an object directly into deep blue — record and lyric in the same image.
Prussian blue / White object traces / Contact shadows / Chemical unevenness
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Dictionary entry
- Best used for
- Directly recording plants, materials and objects · Adding the trace of handwork to drawings and archives
- Type
- White or pale letters; add small classification labels
- Composition
- Lead with the object's contour; keep generous blue around it
- Material
- One deep blue and the paper's white; don't polish away the exposure marks
- Caution
- A blue filter is not the technique. Understand contact image, exposure and support.
- Further study
- Anna Atkins / John Herschel / photographic printing processes