Colour and Light
Light consists of wave and particles as part of the Electromagnetic Spectrum. Light + Wavelength = Colour. The human eyes are sensitive to 400-700nm. Film is sensitive to infra red (250nm). … PDF:...
View ArticleCalotype process
Negative 1 Under red lighting best quality writing paper is dipped in weak silver nitrate solution, followed by potassium iodide solution, and wiped dry. 2 One side is coated with an ‘exciting’...
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