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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
- Transmitted Light
- Dark Ground Or Dark Field
Simply placing a light at an oblique angle to a painting can reveal information clearly. Raking light is often used to document craqeulure, cupping or tenting paint, uneven tension in a canvas, or warp in a painting on a panel support. We are researching the use of more accurate surface mapping techniqes to complement this techhnique In the image a...
In some instances transmitted light can be used to provide information not otherwise visible. Light can be used to pass through the picture to image layers below the surface and the structure of the substrate. Although the outer layers may mask some of the information, useful data can still be gained about the history or make up of the object. The ...
Although dark ground illumination is commonly used in microscopy, we have adapted the technique to use on a larger scale. In this way very fine detail can be recorded that would otherwise be virtually invisible to the naked eye. This is again a useful source of research material and photographic documentation. The faint powdery deposits on the reve...
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. This method enhances the visibility of surface textures, alterations, and defects by casting shadows and highlighting contours, making it a vital tool for assessing the condition of ...
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.
Bright light, usually beamed obliquely, used to reveal such things as surface texture and detail
Mar 25, 2022 · A list of 50 construction terms and concepts all architects should know that are not necessarily taught in architecture schools.
Raking light examination is a technique used in art conservation and restoration where light is directed at a surface at a shallow angle to reveal texture and surface details that might not be visible under direct light.
