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Examination of works of art
- Raking light, the illumination of objects from a light source at an oblique angle or almost parallel to the surface, provides information on the surface topography and relief of the artefact thus lit. It is widely used in the examination of works of art.
en.wikipedia.org/wiki/Raking_light
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Aug 26, 2019 · Raking light refers to a light source which is set at an acute or nearly parallel angle to objects in a painting. Objects being hit by raking light will be half in light and half in shadow and will have long cast shadows.
Raking light, the illumination of objects from a light source at an oblique angle or almost parallel to the surface, provides information on the surface topography and relief of the artefact thus lit. It is widely used in the examination of works of art.
Raking light is used to reveal a painting’s surface texture. Raised paint surfaces facing the light are illuminated, while those facing away create shadows. The increased appearance of paint texture can easily be seen, photographed or recorded digitally.
Raking light refers to a lighting technique used in visual examinations that creates a shallow angle between the light source and the surface being observed.
Raking light means a band of light running parallel to the surface, or at a very narrow angle to the surface. It is necessary that this band be condensed by lenses and be well defined in order to obtain a contrast between the illuminated areas and those remaining in shadow.
Raking light photography is a useful method for the examination of works of art and archaeology. It is part of the Technical Photography documentation and allows to detect and document surface features. RAK is used to document retouching and losses in paintings, as well as to study the painting technique, since it makes clear the brush work and ...
Jan 31, 2019 · One of the many examination techniques used when planning a paintings conservation treatment is raking light, where a light placed at one side of the painting and the light “rakes” across the surface. It can reveal details that are not readily visible in normal lighting.
