Dark slide (photography)
Encyclopedia
In photography
, a dark slide is a wooden or metal plate that covers the sensitized emulsion
side of a photographic plate. In use, a pair of plates joined back to back were used with both plates covered with a dark slide. When used, the dark slide is removed for the period of the exposure and then replaced.
A dark slide is used for magazine backs on medium format
cameras such as Hasselblad
and Mamiya
, and plate holders on view cameras, like the earlier Reisekamera
.
Photography
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light-sensitive material such as photographic film...
, a dark slide is a wooden or metal plate that covers the sensitized emulsion
Emulsion
An emulsion is a mixture of two or more liquids that are normally immiscible . Emulsions are part of a more general class of two-phase systems of matter called colloids. Although the terms colloid and emulsion are sometimes used interchangeably, emulsion is used when both the dispersed and the...
side of a photographic plate. In use, a pair of plates joined back to back were used with both plates covered with a dark slide. When used, the dark slide is removed for the period of the exposure and then replaced.
A dark slide is used for magazine backs on medium format
Medium format
Medium format has traditionally referred to a film format in still photography and the related cameras and equipment that use that film. Generally, the term applies to film and digital cameras that record images on media larger than 24 by 36 mm , but smaller than 4 by 5 inches .In digital...
cameras such as Hasselblad
Hasselblad
Victor Hasselblad AB is a Swedish manufacturer of medium-format cameras and photographic equipment based in Gothenburg, Sweden.The company is best known for the medium-format cameras it has produced since World War II....
and Mamiya
Mamiya
is a Japanese company that today manufactures high-end cameras and other related photographic and optical equipment. With headquarters in Tokyo, it has two manufacturing plants and a workforce of over 200 people...
, and plate holders on view cameras, like the earlier Reisekamera
Reisekamera
The Reisekamera was a popular wooden bellows view camera of the tailboard design, manufactured in large quantities in specialised cabinetmaker's workshops of the eastern regions of Germany from about 1860, but reaching peak popularity in the decades around 1900...
.