Which photographic technique results in enchanting blue hues due to chemical reactions capturing sunlight and shadow? Polaroids Rayograms NFTs Cyanotypes
Question
Which photographic technique results in enchanting blue hues due to chemical reactions capturing sunlight and shadow?
- Polaroids
- Rayograms
- NFTs
- Cyanotypes
Solution
The correct answer is Cyanotypes.
Cyanotypes are an early photographic technique that utilizes light-sensitive compounds, specifically ferric ammonium citrate and potassium ferricyanide. When these compounds are exposed to sunlight, they undergo a chemical reaction that produces distinct blue hues, giving the prints their characteristic cyan color.
The process typically involves placing objects onto treated paper and exposing it to sunlight. The areas covered by the objects remain white, while the exposed areas turn blue due to the photochemical reaction. This technique is often used for creating art prints, as it results in unique textures and depths of color based on the exposure and objects used.
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