Term - Ultraviolet (UV)
|Ultraviolet (UV)||SWPP Photographic Glossary|
Wednesday 28th June 2017
A part of the electromagnetic spectrum from about 400nm down to 1nm. It is invisible to the human eye, but most photographic materials are sensitive to near UV bands down to 250nm. It records as increased haze, particularly in distant views and at high altitudes, and may give a blue cast in colour images. technique of projecting an infrared image on a phosphorescent surface.
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